Answer:
1026
Explanation:
Pressure
1.35
Standard atmosphere
=
1026
Millimetre of mercury
Formula
multiply the pressure value by 760
Answer:
multiply the pressure value by 760
Which statement describes the differences between nuclear reactions and chemical reactions?
Answer:
Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei.
Answer:
the answer is C
Explanation:
Which of the following is an ethical question?
A. Do clones have the same rights as humans?
B. Can we clone humans?
C. How do we clone humans?
D. Will cloning technology be useful?
Answer:
Do clones have the same rights as humans?
Explanation:
This is a question about ethics
The statement that is an ethical question is "Do clones have the same rights as humans?". That is option A.
What is an ethical question?An ethical question is a type of question that seeks for what the law says about a particular issue.
For example the question:
Do clones have the same rights as humans?: Here, the person wants to know according to the law if clones have the same right as humans.Learn more about clones here:
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Which is the best example of how electromagnetic energy is used in everyday life?
O a pot of boiling water on a gas stove
O a patient receiving an X-ray in a hospital
O a car burning gasoline to power the engine
O a car of a roller coaster moving quickly down a slope
The best example of how electromagnetic energy is used in everyday life is: B. a patient receiving an X-ray in a hospital.
What is energy?Energy can be defined as the ability to do work. Thus, energy must be possessed or transferred to a physical object (body) before work can be done.
The forms of energy.In Science, there are different forms of energy and these are;
Gravitational energyElectrical energySound energyChemical energyElectromagnetic energyElectromagnetic energy can be defined as form of energy that is typically carried by electromagnetic waves such as X-rays. Thus, the best example of how electromagnetic energy is used in everyday life is a patient that is receiving an X-ray in a hospital.
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Answer:
b
Explanation:
What’s the answer!?!!
Answer: generic material and protein coat. Have a great day
Explanation:
There is 35 mg of sodium in a can of Coke. You determine it to be 28 mg. What is your percent error?
%
Answer:
The answer is
20 %Explanation:
The percentage error of a certain measurement can be found by using the formula
[tex]P(\%) = \frac{error}{actual \: \: number} \times 100\% \\ [/tex]
From the question
actual volume = 35 mg
error = 35 - 28 = 7
The percentage error is
[tex]P(\%) = \frac{7}{35} \times 100 \\ = \frac{1}{5} \times 100 \\ = 20[/tex]
We have the final answer as
20 %Hope this helps you
Answer:
20%
Explanation:
The formula is [ |va-ve/ve| * 100% ] where e = error and n = number.
|28-35/35| * 100
|-7/35| * 100%
|-1/5| * 100%
0.2 * 100%
20%
Best of Luck!
Vaporization is the reverse of condensation. Select one: True False
Answer:
True
Explanation:
Help ASAP!!
Chlorine's 3p sublevel has 5 electrons in it. It needs _____ electron(s) more in the 3p sublevel to make it stable.
a). 5
b).4
c).3
d).2
e).1
Given :
Chlorine's 3p sub level has 5 electrons in it.
To Find :
How many electron(s) more in the 3p sub-level to make it stable.
Solution :
Electronic configuration of Chlorine is :
[Ne] 3s² 3p⁵.
We know, p-orbit is stable with 6 electronic.
Therefore, to stable p-orbit 1 more electron is required in 3p sub-level.
Hence, this is the required solution.
Name 2 things that travel well through metal?
Answer:
Heat, electricity x
Explanation:
Hope this helps! :) x
A soda has a volume of 225 ml and a density of 3.2 g/ml. What is the mass
Answer:
The answer is
720 gExplanation:
The mass of a substance when given the density and volume can be found by using the formula
mass = Density × volumeFrom the question
volume = 225 mL
density = 3.2 g/mL
The mass is
mass = 3.2 × 225
We have the final answer as
720 gHope this helps you
Classify each living thing of bacteria Please hurry
is Mixing baking soda and vinegar a endothermic chemical reaction
Answer:
Yes mixing vinegar and baking soda is Endothermic
Answer:
Endothermic
Explanation:
i know because i did this on a quiz and got 100%
Which of the following is NOT an area of study in chemistry? * 1 point Biochemistry Physical chemistry Ergonomic chemistry Analytical chemistry
Answer:
i can't see it
Explanation:
wish i could help
Answer:
bio physical chemist
Explanation:
What is a polar and non-polar molecules?
Answer:
[tex]\huge\blue{answer}[/tex]
Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out.
Explanation:
hope it helps u mate
Which element must an organic compound contain?
bromine
chlorine
iodine
carbon
Answer: D.) Carbon
Explanation: Carbon is an organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are contently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
This text explains a cause-and-effect pattern in the Hudson River ecosystem that began with the zebra mussel invasion. What effect did the zebra mussels have on the phytoplankton in the Hudson River?
A. The number of phytoplankton in the river rose by a little.
B. The number of phytoplankton in the river fell by a little.
C. The number of phytoplankton in the river rose by a lot.
D. The number of phytoplankton in the river fell by a lot.
Answer:
D The number of phytoplankton in the river fell by a lot.
Explanation:
Phytoplankton are an important part of the aquatic food web because they are the primary producers of food for zooplankton and foraging fish. ... When zebra mussels are introduced into a waterbody such as Seneca Lake they can impact this food web by competing for food with other organisms that depend on the phytoplankton.
Among all the given options, the correct option is option D. The number of phytoplankton in the river fell by a lot.
What is Phytoplankton?We may define phytoplankton as a sort of autotrophic (self-feeding) plankton which can be found in both freshwater and marine environments.
Photosynthesis is the process through which phytoplankton, such as trees as well as other land plants, obtain energy. This suggests that because phytoplankton depends on sunlight to exist, they are found in the upper layers of lakes and seas (euphotic zone).
According to the definition of phytoplankton, it is spread across a larger surface area than terrestrial plants, is susceptible to less seasonal change, and has significantly faster turnover rates that trees (days versus decades).
Therefore, the correct option is option D.
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An object is most likely to sink in water if____
Answer:
It's denser
Explanation:
When something is denser than another substance, it sinks into the substance.
How many atoms are in 3AsBr3
Answer:
the answer is 18 atoms [your welcome]
Please help ASAP! PLEASE DO NOT GIVE ME A RANDOM GIBBERISH ANSWER OR ELSE I WILL REPORT YOU AND GIVE YOU A LOW RATING!!!
If you're unsure of the answer just type it in the comments.
QUESTIONS:
QUESTION 1:
If the mass and volume of an object is very HIGH will the object sink or float?
QUESTION 2:
If the mass and volume of an object if very LOW will the object sink or float?
Please answer this as soon as possible, as these questions need to be done right now!
Answer:
if an object weighs more than an equal volume of water, it is more dense and will sink, and if it weighs less than an equal volume of water, it is less dense and will float.
Explanation:
Hope that helps
1
Graphs are tools that help:
A
Organize data
B
Perform calculations
С.
Solve problems
Gather information
Answer:
B
Explanation:
Graphs are tools that help in performing calculations as they reduce the source of errors which is done in long mathematical calculations.
What are errors?
Errors in chemical analysis result when there is a difference between observed value and the true value.If the magnitude of errors is large , it results in decrease in accuracy, reproducibility, and precision.
There are three types of errors:1) random error 2) systematic error 3) human error.The cause of random errors are difficult to quantify while the human errors can be minimized by taking a range of readings to reduce the error.
Errors while measuring boiling point may be human errors while noting down the boiling temperature or instrumental or systematic error if there is a fault in the thermometer.
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Dissolution of wax in kerosene
Answer:
the first answer is correct don't forget you can use quizzlet app to
Carrie is making a presentation on solar winds. Her notes of the steps that must occur for solar winds to form are below. 1. The stream of electrically charged particles collide with gas atoms, causing the latter to give off light. 2. The electrically charged particles flow outward in all directions as far as Saturn. 3. The stream of electrically charged particles flows outward from the corona. 4. The particles of the solar wind flow along lines of the magnetic field. Which shows the correct sequence in the formation of solar winds? 1, 2, 3, 4 2, 3, 4, 1 3, 2, 4, 1 4, 2, 1, 3
Answer: 1, 3,4,2
Explanation: Solar Wind is a stream of charged particles, called Plasma, released from the surface of the sun. It is formed by the expansion of plasma from the Sun's outermost surface, known as Corona.
Inside the Sun, 4 atoms of hydrogen transform into Helium by a nuclear reaction called Fusion. This reaction produces energy, which travels to the surface. There, it decomposes into plasma, where it continues to heat up.
When the Sun's gravity can't hold it down, the gas streams along the Sun's magnetic field line. Because of the rotation of the Sun, the lines form huge spiral, creating a constant flow of "wind". They extend so far, it generates an interplanetary magnetic field (IMF), which surrounds all the planets in our solar system.
What is a phenotype?*
Answer:
Phenotype is the term used in genetics for the composite observable characteristics or traits of an organism. The term covers the organism's morphology or physical form and structure, its developmental processes, its biochemical and physiological properties, its behavior, and the products of behavior.
Explanation:
I HOPE IT HELPED
Answer:
Explanation:
Just for future reference here's an easy way to remember it PHenotype is the PHysical characteristics
and here's the actual definition: the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
PLEASE HELP DUE TODAY!!!
List the liquid mixtures from most sense to least dense using evidence and reasoning:
1) 1/2 cup of water
2) 1/2 cup of water + 2 tablespoons of salt
3) 1/2 cup of water + 2 tablespoons of sugar
4) 1/2 cup of water + 2 tablespoons of flour
Answer: i beleive the answer is 1
Explanation:
is change color when mixed with water a physical or chemical property?
Give reasons for your answer.
Explanation:
Color. The changing of color of a substance is not necessarily an indicator of a chemical change. For example, changing the color of a metal does not change its physical properties. However, in a chemical reaction, a color change is usually an indicator that a reaction is occurring.
Which of the following in NOT a part of the integumentary system:
a
b
heart
glands
hair
d
nails
Answer:heart
Explanation:
what lab equipment is best to use when measuring 19.5mL
Answer:
Volumetric cylinders and volumetric carafes are utilized to gauge volume of fluids contained in them.
Explanation:
Volumetric cylinders and volumetric carafes are utilized to gauge volume of fluids contained in them. They are adjusted for volume remembered for them - this is shown by the checking "IN". The fluid has precise volume when it arrives at the comparing stamping on the scale. Volume is generally demonstrated in ml.
There are numerous instruments that researchers use to gauge explicit volumes, including a graduated chamber, buret, or pipette.
would you be able to see the rock in a room with no light at all? why or why not ?
Answer: hope it helps
no you would not be able see the rock in the room because if you close the lights its going to be dark unless you have a glow in the dark light.
Explanation:
ASAP MULTIPLE CHOICE
What did Robert Millikan discover?
the nucleus of the atom
the mass of an electron
the charge-to-mass ratio of the electron
the charge of a neutron
Answer:
b. the mass of an electron.
Explanation:
What is the difference between a heterogeneous mixture and a solution?
Answer:
Difference between a heterogeneous mixture and a solution ( homogenous mixture) is that a homogenous mixture has uniform composition throughout the mixture, whereas heterogeneous mixture has varying composition throughout the mixture.
All matter is made of atoms. Which drawing shows the correct relationships between the three
basic parts of an atom?
Answer:
This question is incomplete.
Explanation:
This question is incomplete. However, an atom (as shown in the attachment) is made up three main sub-parts/basic parts namely; protons, neutrons and electrons.
A proton is positively charged and it's found in the nucleus of the atom.
A neutron has no charge and is also found in the nucleus of the atom.
Both the proton and neutron contribute to the mass of an atom; hence the mass number of an atom is the addition of the neutrons and protons. The nucleus is located at the center of the atom (usually represented with a dot) and it's positively charged because it contains just the proton and the neutron.
An electron is negatively charged and it's found orbiting the nucleus of the atom.
NOTE: The atom in the attachment is that of a helium atom. There are two labels there; however, one of those labels (nucleus) is the standard representation for two basic parts of atom (protons and neutrons) as explained earlier.
The drawing that displays the adequate association between the 3 foundational parts of the atom would be:
e- (outside)
p+ & n⁰ (nucleus/inside e-)
Parts of an Atom
An atom comprises of various parts i.e. Protons along with Neutrons and Electrons.
As per the question, the above diagram most effectively shows the association between these three basic parts.
The electron lies outside the shell while the nucleus and the proton with +ve charge would be as mentioned above.
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