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Alenkinab [10]
3 years ago
8

14. Energy (heat) is always transferred from ___ energy to ___ energy

Chemistry
1 answer:
Blababa [14]3 years ago
5 0

Answer:i pretty sure it is  high to low   kinetic

Explanation: because heat or energy travels from hot heat to low heat which heat is the same as kinetic

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a property of matter that can be observed and measured without the matter into a new substance is known as
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3 years ago
the half life of a certain element is 100 days. how many half-lives will it be before only one-fourth of this element reamains
Rama09 [41]

Answer:

200 Days

Explanation:

Usually not so good in chemistry, but this is math!

Half life means in this time half goes away.  What happens when two half lives pass?  half of what was remaining goes away.  Maybe an example will make it more clear.

Say we start with 100 grams.  After the amount of time for the half life to pass completes, we have 50, or half of the original amount.  The half life time passes again and THAT gets cut in half to 25 grams.  this is 1/4 of the original (Hey, what we're looking for.)  Just to make it clear what is happening after another half life 1/8 remains, so it goes from The starting amount to 1/2 to 1/4 to 1/8 and so on, it keeps getting cut in half.

So how many times do we have to cut 1 in half until we get to 1/4?  Twice as was shown before.  Now, two half lives for this element is what?  100+100 days.  So 200 Days.

4 0
3 years ago
A.
Andru [333]

Answer:

Where is the question?

7 0
2 years ago
Question 1 of 10<br> What happens when a solid becomes a liquid?
Natalija [7]

Answer:it dissolves and evaporates

Explanation:

6 0
3 years ago
Read 2 more answers
What is keq for the reaction 2so2(g) + o2(g) 2so3(g)? apex?
Dennis_Churaev [7]
The  keg for the reaction
2  SO2(g) + O2(g)   →  2  SO3(g)  is

 Keg =  [SO3]^2/ {(SO2)^2 ( O2)}

Keg (equilibrium constant)  is the ratio of  of equilibrium  concentration  of the product   raised  to the power  of their  stoichiometric  coefficient  to the  equilibrium  concentration  of the reactant  raised  to the power  of  their stoichiometric  coefficient.

7 0
3 years ago
Read 2 more answers
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