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Lelechka [254]
3 years ago
15

Which word best describe the motion of a falling rock ?

Chemistry
2 answers:
yuradex [85]3 years ago
6 0

Answer:Accelerate

Explanation:When A rock falls it moves more quickly and the definition of accelerate is an "as an object begins to move more quickly."

Scrat [10]3 years ago
5 0

Answer:

accelerating

Explanation:

it is accelerating because it speeds up until something stops it

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Please help me with these?
Julli [10]

Question 5 is the second one.


8 0
2 years ago
Boyle's law states that the pressure of a gas is always:
natka813 [3]

Answer:

d. inversely proportional to the volume of its container.

Explanation:

Boyle's law  states that at constant temperature and number of moles, the pressure of the gas is inversely proportional to the volume of the gas.

Thus, P ∝ T

P is the pressure

T is the temperature

For two gases at same temperature, the law can be written as:-

{P_1}\times {V_1}={P_2}\times {V_2}

<u>Thus, according to the question, the answer is:- d. inversely proportional to the volume of its container.</u>

7 0
3 years ago
What does the thumping on the chest signal mean?
ankoles [38]
It means that you are the brother or friend of the person doing the thumping
3 0
3 years ago
Read 2 more answers
Determine how many grams of N2 are produced from the reaction of 8.37 g of H2O2 and 5.29 g of N2H4.
Dmitriy789 [7]
N₂H₄  +  2H₂O₂    →   N₂  +  4H₂O

mol = mass ÷ molar mass

If mass of hydrazine (N₂H₄)  = 5.29 g 
then mol of hydrazine           = 5.29 g ÷ ((14 ×2) + (1 × 4))
                                              = 0.165 mol

mole ratio of hydrazine to Nitogen is     1   :  1
  ∴ if moles of hydrazine = 0.165 mol
     then moles of nitrogen = 0.165 mol

Mass = mol × molar mass

Since mol of nitrogen (N₂)  = 0.165
then mass of hydrazine      = 0.165 × (14 × 2)
                                           = 4.62 g
5 0
2 years ago
Which metal element is most reactive Beryllium, magnesium, calcium, or strontium
777dan777 [17]

Answer:

Magnesium I’m pretty sure

Explanation:

3 0
2 years ago
Read 2 more answers
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