Chemistry High School

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Heeeeeellllppp, Iiiimmm Sssooo Stttuuuccckkk!

Answers

Answer 1

Answer:

I think it would be D. None of the above

Explanation:

why I think this is because none of the answers really adds up to it

Related Questions

I NEED HELP :)
A train travels 76 miles in 1 7/12 hours. What is its average speed in miles per hour?

Answers

Answer:

48 mph

Explanation:

total time= 19/12 hr

distence- 76 miles

speed- D/T=76/19/12

which is 48mph

if my answer helps please mark as brainliest.

Answer:

pretty sure its average speed in miles per hour is 48

Explanation:

I just took 76 and divided it by 1 7/12 and got 48

!! brainliest answer !! please help it's due tonight :)

Answers

Answer:

3. D

28. also known as Freon 12

Explanation:


14. A cell is placed in a salt solution that has the
same concentrations as the inside of the cell.
What will happen to the cell? *
A. The cell will shrink.
B. The cell will expand slightly.
O C. The cell will burst.
D. The cell will remain the same size.

Answers

Answer:

A

Explanation:

I’m pretty sure it is a

The atomic size of zirconium is smaller than
a. niobium
b. Yttrium
c. Molybdenum
d. None of the above

Answers

Answer:

b

Explanation:

because hahamaskdjdjskskskskkssksksks

5. How would the food web in Figure 7 change if the numbers of red foxes were
greatly reduced by hunters?
Help meee

Answers

Answer:

I cant help you because you didn't provide a picture for the graph

Explanation:

What are the elements in group 1 of the
periodic table called?​

Answers

Answer:

there called alkali metals

Answer:

alkali metals.

Explanation:

Group 1A (or IA) of the periodic table are the alkali metals: hydrogen (H), lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).

Question 3 of 10
What is thermodynamics?
O A. The study of the transfer of hot and cold energy
B. The study of the movement of energy and heat
C. The study of kinetic energy and potential energy
D. The study of the conservation of matter and energy

Answers

Answer:

B

Explanation:

the branch of physical science that deals with the relations between heat and other forms of energy (such as mechanical, electrical, or chemical energy), and, by extension, of the relationships between all forms of energy.

Answer:

B

Explanation:

hiii please help i’ll give brainliest

Answers

Answer:

the applied force is greater than the force of friction

Explanation:

What is a chemical symbol? Give an example.

Answers

Answer:

zero two is bae

Explanation:

Among the alkaline earth metals in Group 2A/A, which is more reactive - beryllium (element 4) or strontium (element 38)?
​

Answers

Answer:

Group 2A (or IIA) of the periodic table are the alkaline earth metals: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra). They are harder and less reactive than the alkali metals of Group 1A.

Explanation:

two students performed an investigation

Answers

Answer:

what was the investigation ???

how many moles are in 5g of Na2CO3?
a) 0.047
b) 1
c) 2
d)21.2​

Answers

Answer:

0.047

Explanation:

Data : 5g , Na2CO3

Formula:

Molecular mass of Na2Co3 = no.of atomic mass x no. of atom

moles = mass÷ molecular mass

molecular mass = 2(23)+1(12)+3(16)

=106amu

moles = 5÷106

= 0.047 Ans:

PLS HELPPPP OMG PLSPLSPLSPLSPLS

Answers

Answer:

D 44.8 L liters of hydrogen gas

Help please I have 10 min.

Answers

Answer:

i cant see the question. i can try to help if you tell me the question.

Explanation:

also how do i use the comments???

Which statement correctly describes acetyl-CoA?
It connects glycolysis to the citric acid cycle.
It connects the citric acid cycle to the electron transport chain.
It is the product of catabolism of proteins.
It is the product of catabolism of fats.

Answers

A. It connects glycolysis to the citric acid cycle.

Explanation: Right on edge

please answer fast! Which of the following statements are false?
A: In a chemical change, atoms are rearranged to make new compounds.
B: The same element is present before and after a chemical change.
C: A physical change does not produce an entirely new substance.
D: A chemical property can be observed without changing the identity of the substance.



Answers

I believe it is C.

Hope this helps!

A larger bullet does not necessarily have more momentum than a smaller bullet Explain why

Answers

Answer:

yes

Explanation:

a larger bullet weighs more then a smaller bullet so the smaller bullet goes faster.

Answer:

Explanation:

Momentum is dependent on mass and velocity. So, the smaller bullet can be moving at a much greater speed than the larger one.


To find the volume of a ring, the water displacement method was used.
What is the volume of the ring with correct significant figures?

Answers

Answer:

4 cm³?

Explanation:

68-64

What type of energy does most energy end up as?
O heat
O chemical
light
O electrical

Answers

Answer:

Heat

Explanation:

I NEED HELP WIT QUESTION THREE

Answers

Answer: 2.00

Explanation:

2 rounded to the nearest hundredth is 2.00

your welcome :)

answers for all three:

1. 4.00

2. 16.04

3. 2.00

What would be the correct answers

Answers

Answer:

A chemical bond is formed and energy is absorbed I do believe

Explanation:

Aluminum has metallic bonds between its atoms. Which statement BEST describes the
valence electrons in aluminum?
are exchanged with nonmetal atoms
are exchanged with other metal atoms
are localized and stay between metal atoms
are delocalized and move between metal atoms

Look at picture
ASAP please will mark as brainlist don’t got much time

Answers

Answer:

are delocalized and move between metal atoms

Explanation:

As the problem says, aluminum has metallic bonds. The main characteristic of metallic bonds is that the electrons are free to move between the metal ions (they are delocalized), thus being responsible for the good electrical conductivity of metals.

The moon stays in orbit around the Earth because of the Earth's

Answers

Answer:

Gravity

Explanation:

define a shadow plz help​

Answers

Answer:

A shadow is that thing that follows you everywhere when the sun is out. It's creepy!

Explanation: Hope I helped!

Answer:

A shadow is a dark form that you cannot touch, hear, feel, or taste. It's simply formed when an object blocks a source of light.



How do most cells in your body sense their surroundings?
O they touch things
O they see things
they smell things
they hear things
O all these answers are correct

Answers

D) all these answers are correct

Which group in the food chain uses the energy of the sun to create its own food A consumers B predators C producers D prey

Answers

Answer:

C producers

Explanation:

All food chains start with energy from the sun. This energy is captured by plants. Thus the living part of a food chain always starts with plant life and ends with an animal. Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water.

3) What are the three types of sedimentary rocks?

Answers

Answer:

clastic, organic, and chemical

hi please help, i will give 100 points

Answers

Explanation:

Boiling water:water heats up and bubbles physical change

Baking a cake: starts to cook into bread chemical change

Burning wood: turns into ash and burned wood chemical change

Painting a door: door changes color physical change

Answer:

water is yummy

Explanation:

Name ways we use technology in inner and outer space
8th grade science btw

Answers

Answer:

Explanation:

Many common everyday services such as weather forecasting, remote sensing, satellite navigation systems, satellite television, and some long-distance communications systems critically rely on space infrastructure. ... Of the sciences, astronomy and Earth science benefit from space technology am in 6th grade btw

Please help thank you!

Answers

South east should be the answer
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