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frutty [35]
3 years ago
7

A good way to organize and record your results and observations is

Chemistry
1 answer:
Zielflug [23.3K]3 years ago
5 0
It is a graph. It shows observations and then you record your results with any of the graph types.
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My high school chemistry is learning this and I don't understand it. "Heat is measured by the following equation:
tangare [24]

Answer:

you didn't ask a question so here is your explanation.

Explanation:

Q = mc∆T. Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/kg∙K) ∆ is a symbol meaning "the change in"

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3 years ago
Which of the following elements could replace copper in a single replacement reaction?
Likurg_2 [28]
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Which describes an example of genetic engineering?
Marizza181 [45]

i think its number 3

4 0
3 years ago
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The volume of a gas is the same as its _____.
AleksandrR [38]

The volume of a gas is the same as its CONTAINER.

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8 0
3 years ago
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If the half life of a radioactive isotope is 5000 years, how much of the radioactive isotope in a specimen will be left after 10
marissa [1.9K]
Half life is the time taken by a radioactive isotope to decay by half its original mass. In this case, the halflife of the radioactive isotope is 5000 years. 
Initially the mass is 100 %; thus the mass that will be left will be given by;
New mass = Original mass × (1/2)^n where n is the number of half lives; 
  n = 10000/5000 = 2
New mass = 100% ×(1/2)^2
                 = 100 % × 1/4 
                 = 25%
Therefore; the mass left after 10000 years is 25% or 1/4 of the original mass.
5 0
3 years ago
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