Chemistry Middle School

Acceleration due to gravity =


100 m/s2



9.8 m/s2



62.3 m/s2



1.2 m/s2

Answers

Answer 1

Answer:

9.8

Explanation:

no explanation bbbbnnnnnnnnnnnnnnnnnnn

Answer 2
9.8m/s2 is the correct answer

Related Questions

BRAINLIST IF U ARE CORRECT AND ANSWER ALL OF THEM!!!!!!!!!!Match the name of the way water is used to its description.


Drag the answers into the correct boxes.


Water used in businesses such as restaurants, hotels, offices, grocery stores, police stations, and malls.


Water that is delivered to homes and schools.


Water that is used for raising crops in dry areas.


Water used in rural areas where people dig wells.


Commercial Domestic Public Irrigation

Answers

Answer:

I think it is the first one all those places do use water

All these places use water however the best described one is the first one

European and North America coal fields line up.
A.true
B.false

Answers

Answer:

The Answer Is A

Explanation:

What is the influence of temperature on a chemical change?

Answers

Answer:

Increasing the temperature will cause chemical changes to occur faster. Decreasing the temperature, causes the particles to lose energy which causes them to move around less and slower. The less they move, the less collisions occur, and the less reactions occur between the chemicals = slower reaction rate.

Explanation:

Please mark me brainliest

which one should I go in ??????

Answers

Answer:

the hatchery I think

Explanation:

because i think

Please help me with this I will give out extra points with the brain thing if you help me with this science question 2/5 image below. I promise

Answers

The answer to your question is B

Which three temperature readings all mean the same thing?


273 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit

100 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

273 Kelvin, 0 degrees Celsius, 212 degrees Fahrenheit

373 Kelvin, 100 degrees Celsius, 212 degrees Fahrenheit

Someone please help!

Answers

The last one is correct :)

Answer:

273 Kelvin, 0 degrees Celsius, 32 degrees Fahrenheit

Explanation:

which of molecules do u get from food

Answers

Answer:

carbohydrates, proteins and fats.Explanation:

Answer:

Explanation:

Instead, let's start applying what we learned so far by looking at the most common groups of molecules in food: carbohydrates, proteins and fats. These molecules are also called 'macronutrients' and are essential for us from a nutritional point of view.

Which of the water alternative energy source has an energy transfer chain of GPE-->KE-->EE?

Answers

Um what’s the question?
Elastic Potential Energy. Uses Gravitational potential energy, kinetic energy and EE.

The diagram represents liquid water in a pan on a hot plate. The liquid water is boiling and changing into water vapor. The process of boiling water is considered to be a

Answers

Answer:

I guess c?

Explanation:

take my answer by a grain of salt but the process of boiling water leads to physical change because eventually all water will become water vapor if boiled long enough

C is the answer to this question hope it’s right

Gravitational potential energy is energy due to


being in motion


being on the ground


height above ground


doing work

Answers

Answer:

being on the ground

Explanation:

Answer:

Gravitational potential energy in terms of work done against gravity. ... We define this to be the gravitational potential energy (PEg) put into (or ... Figure 2. The change in gravitational potential energy (ΔPEg) between points A and B

Explanation:

hope this helps

How many different elements are involved in the reaction shown? Record the answer in the grid. Plz help :))

Answers

Ca=Calcium

Ci=Iron

Ag= Silver

No-Nobelium

Would the following atoms have similar reactivity?

A) Elements in Group 2 have 2 energy levels.

B) Elements in Period 7 have 7 valence electrons.

C) Elements in Group 13 have 13 valence electrons.

D) Elements in Group 13 have 13 valence electrons.

Answers

I think D, not sure though!
Ur answer is d elements is group 13 have 13 valence electrons

plz help me on the other two :) i already did the third one

Answers

Energy is lost because only a certain amount of energy is transferred through each trophic level
As you more up to the top of energy pyramids , energy is lost due to things such as excretion

The arrow is called a

Answers

the arrow is called a victor
Vector hope this helps:)

Please help I will give brainlist

How would you write the formula for sugar-water solution if the formula for salt-water solution is written as NaCl(aq).


The formula for solid salt is NaCl(s).


The formula for solid sugar is C6H12O6(s).

Answers

Answer:

Explanation:

The chemical or molecular formula for sucrose is C12H22O11.

What molecule makes up 3/4s of the surface of Earth?
A: C6H12O6
B:CO2
C: H2O
D: NaCl

Answers

Je suis presque sûr que c'est C: H20

Answer: H2O
Explanation: Yes

Sodium is a metal (Na), what makes the Neutral atom of Sodium different
from the lonized atom of Sodium

A neutral atom has more protons than an ion

Neutral atoms have more neutrons than an ion of an tom

Neutral atoms have a charge while ions do not

Neutral atoms have the same amount of protons and electrons while an ion has
either gained or lost an electron

Answers

Answer:

D

Explanation:

An ion is created because an atom doesn't have a balanced number of protons and electrons. A positive ion is created by an atom losing an electron and a negative ion is created by an atom gaining an electron.

The answer is D. What makes a neutral atom neutral is that it has an even number of protons and neutrons. If the number of protons and neutrons are unbalanced, it is now an ion.

Is the process of making a glass of lemonade a physical or chemical change?? Explain.

Answers

Physical I think

Explanation:
——> A physical change

Explanation: Making lemonade is a physical change, because things are dissolving, lemons cut up, etc. But there are not any covalent chemical bonds made or broken.

Elastic potential energy is energy due to

Question 2 options:

mass


motion


height above ground


change in shape

Answers

The answer is change in shape
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