Answer:
Dude I need the answers so i can help you!
Explanation:
Give me the answers plz
Calculate the momentum of a 5 kg dog running at an average velocity of 12 m/sec?
Answer:
60 kg.m/sExplanation:
The momentum of an object can be found by using the formula
momentum = mass × velocity
From the question we have
momentum = 5 × 12
We have the final answer as
60 kgm/sHope this helps you
what is the type of hybridization of each carbon in prop - 2- one ?
Explanation:
IUPAC name: porpane-2-one Other name: AcetoneFunctional group: KetoneLongest C-chain: 3position of Functional group: 2nd-Cmolecular formula: C₃H₆Omolecular mass: 58 g/molsolubility: soluble in water (H-bond) boiling point: High as compared to haloalkanes Structure: O||
CH₃–C–CH₃
11. Hybridisation:
1-C: sp³2-C: sp²3-C: sp³Help ASAP
Egg whites have a pH of 7.6. Egg whites are categorized as...
O An Acid
O A Base
O Neutral
Answer:
I'm pretty sure its weak acid
Explanation:
The whites are slightly acid to neutral with a pH 7.0 to 9.0.
Which of the following substances conducts electricity?
A. A block of salt
B. Distilled water
C. Sugar
D. Vinegar
Answer:
a
Explanation:
salt and energy can cause reactions to produce electricity
Answer: The answer is A
Explanation: An electrolyte solution has the ability to conduct electricity because when a salt dissolves, its dissociated ions can move freely in solution, allowing a charge to flow. Electrolyte solutions are normally formed when a salt is placed into a solvent such as water. (Google Source If needed)
PLEASE HELP QUICKLY! SERIOUS ANSWER PLEASE
Suppose you are reading a scientific article and want to know what the author’s independent and dependent variables were. How you can learn this by looking at the graphs in the report?
QUESTION 1:
A.If the graphs are in the forms of x, y scatter graphs, then the independent variable will be graphed along the x-axis, and the dependent variable will be graphed along the y-axis.
B. It is only possible to determine the independent and dependent variables from a graph if they are labeled as the independent and dependent variable.
C. If the graphs are in the forms of x, y scatter graphs, then the independent variable will be graphed along the y-axis, and the dependent variable will be graphed along the x-axis.
D. It is not possible to determine the independent and dependent variables from a graph.
QUESTION 2:
What are the three factors that contribute to water scarcity?
A.El niño, hurricanes, and ocean drought.
B. Climate change, overuse of groundwater, and water pollution.
C. Hurricanes, overuse of groundwater, and water pollution.
D. Climate change, ocean droughts, and water pollution.
QUESTION 3:
Brenda is telling a classmate that we really don’t need to worry about droughts because the supply of water on Earth is constant. Explain to Brenda and her classmate why droughts are a real concern.
A. The Earth’s water supply is not constant. When a drought occurs, the water from one area is gone forever. It is difficult for the water to be replenished in an area after a drought occurs.
B. The Earth’s water supply is fixed, so once it leaves an area, it tends to not go back to that area. It is possible for an area with a drought to never have water return.
C. The Earth’s water supply is fixed, but water changes locations and states constantly, so the amount of water in any given reservoir is not fixed. It is possible for a reservoir of useable water to run so low in volume that it can’t supply the area around it with the amount that is needed.
D.The Earth’s water supply is fixed, so once it leaves an area, it tends to not go back to that area. The areas that experience droughts are only areas where people do not live. It is only a concern for the plants and animals.
Answer:
Q1: A
Q2: B
Explanation:
Q1: the independent variable will always go on the x axis and the dependent will always go on the y-axis, so the answer is A.
Q2: it's not a, it's not d (ocean droughts aren't a thing that I'm aware of), and hurricanes don't make water scarce, so I would go with B.
The branch of science which deals with chemicals and bonds is called chemistry.
The correct answer to the question is A, B and A
In the question, there are 3 multiple choice questions on the water security topic.
The answer to the first question is A because the information of the graphs depends on the variable and the invariable factors.
The answer to the second question is B because the water level depends on give climate change, and water pollution, These two factors are majorly given information about the water level.
The answer to the third question is A because the amount of water on the earth is not constant and change according to the requirement.
Hence, the correct answer to the question is A, B, and A.
For more information, refer to the link:-
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find the mass of an object which is acted upon by a force of 650 n to produce an acceleration of 10m/ s2
Answer:
Explanation:
Mass = 650/10 = 65
If the strength of the magnetic field at B is 20 units, the strength of the magnetic field at A is
Answer:
A
Explanation:
Answer: 80 Units
Explanation:
Acceleration due to gravity on the moon is greater / less than acceleration due to gravity on Earth. The mass of an object on the moon is less than / greater than / the same as it is on Earth. Using the equation F = ma to calculate weight, the mass of an object is multiplied / divided by acceleration due to gravity. So, the weight of an object on the moon is greater / less than the weight of the same object on Earth.
The two images show side views of ocean waves. How are the two sets of waves different?
Answer:
they both move at a different force... believe I'm right
Explanation:
Answer:
The moon
Explanation:
Force? I think
How does the body react when the outside temperature gets too hot
Which units could NOT be used to measure the acceleration of an object?
O Kilog rams (kg)
O Kilometers per hour per second (km/hr/s)
Meters per second per second (m/s2)
O Kilometers per hour per hour (km/hr2)
ANSWER THIS QUESTION AND GET 10 POINTS AND BRAINLEST
TRUE or FALSE? Alkali and Halogen group has the same valence.
Answer:
False
Explanation:
Alkali metals are found in group 1 of the periodic table. They only have one valence electron. The easiest way for them to complete an octet is to lose an electron. Halogens, on the other hand, have seven valence electrons and gain an electron to complete octet.
Convert (76)10 into Binary.
Answer:
The base-10 value of 76(10 )
is equal to base-2 value of 10011002.
Explanation:
Step 1) Divide 76 by 2 to get the Quotient. Keep the Whole part for the next step and set the Remainder aside.
Step 2) Divide the Whole part of the Quotient from Step 1 by 2. Again, keep the Whole part and set the Remainder aside.
Step 3) Repeat Step 2 above until the Whole part is 0.
Step 4) Write down the Remainders in reverse order to get the answer to 76 as a binary.
Here we will show our work so you can follow along:
76 / 2 = 38 with 0 remainder
38 / 2 = 19 with 0 remainder
19 / 2 = 9 with 1 remainder
9 / 2 = 4 with 1 remainder
4 / 2 = 2 with 0 remainder
2 / 2 = 1 with 0 remainder
1 / 2 = 0 with 1 remainder
Then, when we put the remainders together in reverse order, we get the answer. The decimal number 76 converted to binary is therefore:
1001100
Pls mark me as brainliest I am in need
Plzzz help...
A frog jumps from the pond's bank with a force of 12 N.
The frog has a mass of 0.5 kg. How much did the frog
accelerate as it jumped towards the lily pads in the water
Answer:
just answer this and you will have yours
Explanation:Find the area of a circle with a diameter of \color{green}{16}16start color green, 16, end color green.
Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.
An atom of element Be has four protons, four electrons, and five neutrons.
Which element below could be an isotope of this atom?
Answer:
b i took the edge test
Explanation:
Does warm air have high pressure or low pressure? How do you know?
Answer:
Since warm air is less dense and creates less air pressure, it will rise; cold air is denser and creates greater air pressure, and so it will sink. When warm air rises, cooler air will often move in to replace it, so wind often moves from areas where it's colder to areas where it's warmer.
Which two changes would make this reaction reactant-favored?
2H2 + O2 + 2H20 + energy
A. Increasing the pressure
B. Reducing the temperature
O C. Increasing the temperature
O D. Reducing the pressure
Two changes would make this reaction reactant-favored
C. Increasing the temperature
D. Reducing the pressure
Further explanationGiven
Reaction
2H₂ + O₂ ⇒ 2H₂0 + energy
Required
Two changes would make this reaction reactant-favored
Solution
The formation of H₂O is an exothermic reaction (releases heat)
If the system temperature is raised, then the equilibrium reaction will reduce the temperature by shifting the reaction in the direction that requires heat (endotherms). Conversely, if the temperature is lowered, then the equilibrium shifts to a reaction that releases heat (exothermic)
While on the change in pressure, then the addition of pressure, the reaction will shift towards a smaller reaction coefficient
in the above reaction: the number of coefficients on the left is 3 (2 + 1) while the right is 2
As the temperature rises, the equilibrium will shift towards the endothermic reaction, so the reaction shifts to the left towards H₂ + O₂( reactant-favored)
And reducing the pressure, then the reaction shifts to the left H₂ + O₂( reactant-favored)⇒the number of coefficients is greater
Answer: C. Increasing the temperature
D. Reducing the pressure
Explanation:
Mole Conversion: What is the mass of 5 moles of O3?
240g
Explanation:
Number of moles = 5
Molar Mass = 16 x 3 = 48
Number of moles = Mass/Molar Mass
Mass = Number of moles x Molar Mass
Mass = 5 x 48
Mass = 240g
A student was studying a soil sample. Most of the inorganic matter the student found included-
A. plant roots and animal waste.
B. small sand and clay particles.
C. invertebrate exoskeletons
D. oxygen and plant leaves.
Answer:
b
Explanation:
HELP!!!!!! DUE IN 1 HOUR
What group is Fluorine in? What period is it in? How many energy levels will it have? How many electrons will be found in its outermost shell?
Answer:
Group 17, 2, 7, 7 electrons
Explanation:
If the volume of 1.00 mole of gas is tripled, what will happen to the pressure, if the temperature remains constant
Answer:
The new pressure becomes one third of the initial pressure.
Explanation:
The relation between pressure and volume at constant temperature is given by :
[tex]P\propto \dfrac{1}{V}\\\\P=\dfrac{1}{V}[/tex]
Let new pressure and volume be P' and V' respectively.
V'=3V (given)
So,
[tex]P'=\dfrac{1}{V'}\\\\=\dfrac{1}{3V}\\\\=\dfrac{1}{3}\times \dfrac{1}{V}\\\\P'=\dfrac{1}{3}\times P[/tex]
Hence, new pressure becomes one third of the initial pressure.
A heat lamp heats a pot of water from below, heat is
transferred throughout the water in the pot, and a person puts
their hand into the water to warm it. Which of the following
types of heat transfer are occurring in this scenario?
a Conduction
b Radiation
C Convection
d All of the above
Answer:
i think it is D. All of the above
but i will check to see if it's right
Answer:
D all of the above
Explanation:
I got it right on my test
To find time, t, the age of the universe, you must first isolate the variable t. Rewrite the velocity equation v = d / t so that you are solving for time.
Answer:
t = d/v
Explanation:
All you have to do is the inverse operation so that you multiply by "t" and it will be on the side with the "v" then you divide the v and it will be under the "d" so time = distance/ velocity (speed)
To find time, t, the age of the universe, you must first isolate the variable t. The velocity equation is t = d / v.
What is velocity?Velocity is defined as a directional speed of a object in motion as an indication of its rate of change in position as observed for a particular frame of reference and as measured by a particular standard of time. It is a vector quantity.
Velocity can also be defined as the rate at which an object's position changes in relation to a frame of reference and time.
There are various types of velocity some are
Uniform velocityVariable velocityAverage velocityInstantaneous velocityVelocity can be expressed as
Velocity = Displacement / Change in time
Thus, to find time, t, the age of the universe, you must first isolate the variable t. The velocity equation is t = d / v.
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What integer represents the total charge of 4 protons
Answer:
4
Explanation:
+ 4 is the integer that represents the total charge of 4 protons because proton has a positive charge is known as cation so plus sign should be added to number of protons while on the other hand, for 4 electrons we -4 integer because electron has negative charge is known as anion so that's why plus sign is added with proton and negative sign is added to electron.
What is the mass of 5.119 102 molecules of copper sulfate
(CuSO4)?
Answer:
Mass = 135.66 ×10⁻²¹ g
Explanation:
Given data:
Number of molecules of CuSO₄= 5.119×10²
Mass of CuSO₄= ?
Solution:
The given problem will solve by using Avogadro number.
1 mole contain 6.022×10²³ molecules
5.119×10² molecules ×1 mol / 6.022×10²³ molecules
0.85×10⁻²¹ mol
Mass in grams:
Mass = number of moles × molar mass
Mass = 0.85×10⁻²¹ mol × 159.6 g/mol
Mass = 135.66 ×10⁻²¹ g
What are two ways engineer's use their understanding of KE and PE to make their designs better/safer?
Answer:
Explained below.
Explanation:
When someone is riding on an amusement ride also known as a roller coaster, due to the nature of the turns and slope, energy will change from potential to kinetic energy and it will be repeated a couple of times throughout the the course of the ride.
Now, Kinetic energy is the one that is used during motion.
Normally, the amusement ride vehicles will be pulled up from the first hill by a chain and as the other vehicles follow that route in climbing, and they will then gain potential energy.
The branch of science which deals with chemicals is called chemistry.
The energy formed in a system by the motion of particles is called kinetic energy. which is half of the product of the mass and volume.
For example - When someone is riding on an amusement ride also known as a roller coaster, due to the nature of the turns and slope, energy will change from potential to kinetic energy and it will be repeated a couple of times throughout the course of the ride.
The energy stored in the system when it's at a rest is called potential energy, the energy is converted into kinetic energy when it starts moving. The potential energy is stated as the product of the mass, height, and acceleration due to gravity.
For example - Normally, the amusement ride vehicles will be pulled up from the first hill by a chain and as the other vehicles follow that route in climbing, and they will then gain potential energy.For more information, refer to the link:-
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Parker has a toy car he has made out of plastic building blocks. He breaks it apart so he can build something different with the same blocks. When he breaks the blocks apart, which stage of the carbon cycle is he best demonstrating?
A:carbon atoms dissolving in the oceans
B:producers removing carbon from the atmosphere
C:organisms decay and carbon atoms return to the soil
D:consumers use carbon atoms to build body structures
Answer:C
Because Parker is using the recycled blocks (carbon atoms) and essentially returning them to their original state (which is "the soil"). When the clocks break apart, that is the organisms decaying.
Drag each tile to the correct location.
Classify each organic compound based on the functional group it contains,
ether
carboxylic acid
ester
alcohol
answer: Carboxylic acid, Ester, Ether and Alcohol
Explanation: Carboxylic acid is the one which has COOH group which includes carbonyl group and OH.
And ester is a derivative of Carboxylic acid which has COOR . It has -OR along with Carbonyl group.
And ether has C-O-C skeleton
And alcohol has R-OH as a general formula.er:
Explanation:
The given compounds can be classified based on the functional groups they contains. The first compound is an acid containing the COOH group. Second one is an ester with the COOR group, third one is as an ether and the last compound in the column is an alcohol.
What are organic compounds?Organic compounds are compounds containing carbon-carbon backbone with hydrogen C-H bonds also. There are different types of organic compounds namely, acids, alcohols, esters, ketones, aldehydes etc.
These organic compounds are classified based on the functional groups present in them. The compounds containing OH groups are called alcohols whereas those containing COOH groups are carboxylic acids. Those with OR group are ethers and compounds with COOR group that is COO in between two carbon chains are esters.
From the given column, the first compound is carboxylic acid namely propanoic acid. Second one is an ester called ethyl propanoate and third one is an ether namely methyl ethyl ether and the last one is an alcohol namely ethanol.
To find more on organic compounds, refer here:
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Your question is incomplete. But your complete question probably was as uploaded in the image.
For the following questions protons are blue and neutrons are red
