hi we all know what happens when you mix baking soda with vinegar but there this question on the test that says tell me why you shouldn't mix rubbing alcohol and please explain
Answer:
rubbing alcohol and bleach creates chloroform which is quite dangerous. Chloroform damages the liver, causing hepatitis, and it can also harm the kidneys, brain, heart, and bone marrow. Respiratory injuries can also come from chloroform exposure, they include respiratory depression, pneumonitis, and pulmonary edema.
emergency (30 points) what conclusion can you make about the relationship between temperature and pressure?
Answer:
This relationship between pressure and volume is known as Boyle's lawA law that states that at constant temperature, the volume of a fixed amount of a gas is inversely proportional to its pressure., after its discoverer, and can be stated as follows: At constant temperature, the volume of a fixed amount of a gas is. The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased.
Explanation:
Answer:
basically increased temperature causes an increase in pressure. and vise versa.
what is agriculture
Answer:
the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
According to the Punnett square: B represents the dominant gene for blue feathers and b represents the recessive gene for red feathers. Two heterozygous birds have one offspring. What percent chance does it have for red feathers?
A) 0%
B) 25%
C) 75%
D) 100%
Answer: 25%
Explanation: bb are don't have a dominant trait to overmask it
How many protons and electrons does a neutral atom of beryllium have
A nine protons,nine electrons
B two protons,two electrons
C four protons,four electrons
D Four proton,five electrons
Answer:
c
Explanation:
the atomic number is 4 thus beryllium contains 4 protons and 4 electrons
why unit of force is derived unit?
Answer:
Because it is the product of two more basic units, mass and acceleration. The calculation of force is as follows:
Force=mass*acceleration
Mass is a base unit, acceleration is a derived unit calculated as a function of length and time which are both base units.
Any unit definition that is a function of more basic units is considered a derived unit.
Which will heat the fastest and heat the slowest??
Answer:
15. Which material will heat the fastest?
The answer is C.
16. Which material will heat the slowest?
The answer is C.
Which could describe the motion of an object? distance = 1 meter and displacement = 10 meters distance = 10 meters and displacement = 100 meters distance = 0 and displacement = 10 meters distance = 10 meters and displacement = 10 meters
Answer:
Distance = 10 meters and displacement = 10 meters
D.
The right statements which could describe the motion of an object are:
distance = 10 meters and displacement = 1 meterdistance = 10 meters and displacement = 0distance = 10 meters and displacement = 10 meters Distance is known to be a scalar quantity. it shows the rate or ground an object has covered when in motion. Displacement is known also to be a vector quantity. It shows the rate o how far out of place an object is been. it is known as the object's overall change in position.Distance is measured in interval between two locations measured along the actual path connecting them.
Displacement is measured the interval between two locations measured along the shortest path connecting them.
Conclusively, the motion of an object is done by the position, speed, direction, and acceleration.
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. A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2. What is the net force, to the nearest newton, that accelerates the ball? (please only type in the numerical response, no unit of measurement) Use the formula F= MA
Answer:
The answer is
100 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
Force = mass × accelerationFrom the question
mass = 0.05 kg
acceleration = 2000 m/s²
The force acting on the object is
Force = 0.05 × 2000
We have the final answer as
100 NHope this helps you
Answer:
100N
Explanation:
Day 2 question 2 is the one i’m having trouble with please help!
Answer:
Fish tank
Explanation:
It is the largest and therefore has the most volume.
differentiate between metals and non metal
Metals are considered to be electropositive in nature due to their ability to donate electrons. Whereas non-metals are electronegative as they generally accept electrons. ... Metals shows the property of malleability while non-metals are non-malleable.
how many atoms are in Cl₂O₃?
Answer:
There are 2 atoms in Chlorine(Cl)
and 3 atoms in Oxygen(O)
Explanation:
will mark brainliest for explanation What is formed when a solid dissolves in a liquid?
Soluble
Insoluble
Solvent
Solute
Solution
Answer:
A solute is the substance that dissolves to make a solution. In salt solution, salt is the solute. A solvent is the substance that does the dissolving – it dissolves the solute. In salt solution, water is the solvent.
During dissolving, particles of solvent collide with particles of solute. They surround the particles of solute, gradually moving them away until the particles are evenly spread through the solvent.
For each solute and solvent, there is a limit to the mass of solute that will dissolve in a particular volume of the solvent. When no more solute will dissolve, we say that the solution is a saturated solution.
Explanation:
Calculate the atomic mass of oxygen if the three common isotopes of oxygen have masses of 15.995 amu (99.759% abundance), 16.995 amu (0.037 % abundance), and 17.999 amu (0.204 % abundance). (please show work) I will give brainliest answer !
Answer:
15.999 amu
Explanation:
From the question given above, the following data were:
Isotope A:
Mass of A 15.995 amu
Abundance (A%) = 99.759%
Isotope B:
Mass of B = 16.995 amu
Abundance (B%) = 0.037%
Isotope C:
Mass of C = 17.999 amu
Abundance (C%) = 0.204%
Atomic mass of Oxygen =.?
The atomic mass of oxygen can be calculated by using the following formula:
Atomic mass = [(Mass of A × A%)/100] + [(Mass of B × B%)/100] + [(Mass of C × C%)/100]
Atomic mass = [(15.995 × 99.759)/100] + [(16.995 × 0.037)/100] + [(17.999 × 0.204)/100]
Atomic mass = 15.956 + 0.006 + 0.037
Atomic mass = 15.999 amu
Therefore, the atomic mass of oxygen is 15.999 amu
What is required in order to melt a network solid?
A) breaking ionic bonds
B) breaking covalent bonds
C) breaking van fee Waals bonds
D) breaking hydrogen bonds
Answer:
the correct anwser is B. breaking covalent bonds
Answer:
Breaking covalent bonds
The arrow in the photo represents a force.
Which force is equal but opposite to the one shown?
O A. Air resistance applying a normal force on the horse
B. The ground applying a force on the horse
O C. Gravity applying a downward force on the horse
D. The horse applying an action force on
ground
SUBMIT
Which force is equal but opposite to the one shown ?
Answer:b
Explanation:
i just know
The arrow in the photo represents a force. The ground applying a force on is equal but opposite to the one shown. Therefore, option B is correct.
What is force ?A force is an influence that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Force is used to describe a body's tendency to modify or change its state as a result of an external cause. When force is applied, the body can also alter its size, shape, and direction.
In terms of a physical action or movement, force is essentially a push or pull that acts on an item or energy. When two things come into contact, it occurs. Additionally, a body is in motion when it is moving.
Thus, option B is correct.
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What sort of bond would you expect the following two atoms to have together?
iodine (I) and iodine (1)
O Polar covalent bond
O lonic bond
O Nonpolar covalent bond
Answer:
• Nonpolar covalent bond
Models are used to observe phenomena which _____.
Answer:
are too large
Explanation:
phenomena which are too large
What is the mass, in grams, of the object being measured in the triple beam balance shown below?
A. 220 grams
B. 223 grams
C. 230 grams
D. 250 grams
Answer:
B. 223 grams
Explanation:
Look at the largest weight first: 200 grams
Look at the 2nd largest: 20 grams
Look at the smallest: 3 grams
200 + 20 + 3 = 223 grams
Answer:
223 grams
Explanation:
What subatomic particles have a charge? (pick all that apply)
Protons
Neutrons
Electrons
Answer:
Protons- positive
Electrons - negative
Explanation:
An atom of aluminum (AI) has an atomic number of 13 and a mass number of
27. How many neutrons does it have?
Answer:
14
Explanation:
<3
A cup of gold colored metal beads was measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal.
Gold: 19.3 g/mL
Copper: 8.86 g/mL
Bronze: 9.87 g/mL
Given parameters;
Mass of gold colored metal beads = 425g
Volume of water displaced by beads = 48.0cm³
Unknown;
Identity of the metal = ?
Given densities;
Gold: 19.3 g/mL
Copper: 8.86 g/mL
Bronze: 9.87 g/mL
Density is an intensive property of any substance. This implies that we can use the density of any substance to identify it.
Density can be defined as the mass per unit volume of a substance. Every substance has a unique mass per volume.
Mathematically;
Density = [tex]\frac{mass}{volume}[/tex]
where mass is in kg or g
volume is in m³ or cm³
To find the density, we must know the mass and volume.
In this problem, the volume of the gold metal beads is the same as the volume of water displaced. This is a way to measure volume of solids.
Since the volume is given in cm³, and we are comparing with choices that have units in g/mL, we simply convert the volume in cm³ to mL
1cm³ = 1mL³
So therefore, volume of gold colored metal is 48mL
Now input the parameters given and solve for the density;
Density = [tex]\frac{425g}{48mL }[/tex] = 8.85g/mL
From the given densities, we clearly see that copper is the metal since they both of similar densities.
Which is the smallest volume?
A
2.3 liters
B
0.4 mL
С
980 cm
D
1050 mL
heat
what is the biggest problem affecting your water quality
Answer:
pollution
Explanation:
use humans have a lot to do with pollution
If the average velocity of an object is not the same for all time intervals, then the object moves at a(n)
Answer:
A
Explanation:
because the object's velocity had no acceleration between time intervals
Write a brief passage describing a neutral atom of
nitrogen-14 (N-14). Describe the number of
protons, neutrons, and electrons in the atom,
where each type of particle is located, and how
the terms atomic number, mass number, and
atomic mass are related to the particles. Use the
periodic table to help you
Answer:
Detail is given below.
Explanation:
Electron:
The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.
Symbol= e-
Mass= 9.10938356×10-31 Kg
It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.
Neutron and proton:
While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.
Symbol of proton= P+
Symbol of neutron= n0
Mass of proton=1.672623×10-27 Kg
Mass of neutron=1.674929×10-27 Kg
Location of electron, proton and neutron.
An atom consist of electron, protons and neutrons. Protons and neutrons are present with in nucleus while the electrons are present out side the nucleus.
All these three subatomic particles construct an atom. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom of nitrogen have 7 protons than it must have 7 electrons. The sum of neutrons and protons is the mass number of an atom while the number of protons are number of electrons is the atomic number of an atom.
For example
Mass of nitrogen = number of neutron + number of proton
Mass of nitrogen = 7 + 7 = 14
Atomic number of nitrogen = number of electron or number of proton
Atomic number of nitrogen = 7
Answer:
There are 7 protons, 7 neutrons and 7 electrons in Nitrogen-14. Protons and neutrons are located in the nucleus, while electrons are located in electron shells. The number of protons determines the element's atomic number, the number of protons AND neutrons combined determine the element's mass number, and the average of the masses of all isotopes determines an element's atomic mass.
Explanation:
Hope this helps! :D
PLEASE HELP ME!!!!!!!! Explain why understanding the process of combustion requires using an atomic model of mass and not a continuous one.
Answer:
Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel.
There must be Fuel to burn.
There must be Air to supply oxygen.
There must be Heat (ignition temperature) to start and continue the combustion process.
Convert -8.0 degrees F to
degrees C.
[?]°C
Answer:
7.22 Celcius
Explanation:
You got this.
I need help with the electron configurations shown in the picture
Answer:
1s2 2s2 2p6 3s1
Explanation:
The following values are measured in the laboratory: 40.0 g +0.7631g +
610.70 g. The correct total recorded (with the correct sig figs) by the lab
technician was
*
651.5 g
651.4631 g
651.46 g
651 g
