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shtirl [24]
3 years ago
13

WILL GIVE BRAINLIEST NO FAKE ANSWERS PLEASE!

Chemistry
2 answers:
arlik [135]3 years ago
5 0

Answer:

3.2 grams

Explanation:

Took the test and got it correct

AleksAgata [21]3 years ago
3 0

Answer:

A) (3.2g)

Explanation:

Did you reposed this? Because I remember answering this

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The respiration rate of a goldfish is measured. The goldfish is then placed in cold water and the respiration rate is measured a
Ivenika [448]

Answer:

Temperature of the water

Explanation:

In every study, there must be independent and dependent variables. An independent variable is the variable that is changed in order to obtain a response. In this case, the temperature of the water is being changed, the response in this experiment is the respiration rate of the goldfish.

Thus the respiration rate of the goldfish is the dependent variable because it is controlled by the temperature of the water and changes accordingly.

Summarily, the independent variable is the temperature of the water while the dependent variable is the respiration rate of the goldfish.

4 0
3 years ago
Naturally occurring copper is 69.15% copper-63 (atomic mass = 62.93 amu) and 30.85% of some other isotopic form of copper. what
agasfer [191]
<span>64.94 First, write out an expression about what we know 0.6915 * 62.93 + 0.3085 * x = 63.55 Now solve for x 0.6915 * 62.93 + 0.3085 * x = 63.55 43.5161 + 0.3085 * x = 63.55 0.3085 * x = 20.03391 x = 64.93972 Rounding the answer to 2 decimal places gives x = 64.94</span>
6 0
3 years ago
Molarity is measured in
aniked [119]
Answer D moles per L
5 0
3 years ago
Can someone help me with this question ^
lisov135 [29]

Answer:

There are 8 electrons in the last level. Because of the octet rule.

7 0
2 years ago
When liquid water loses energy, a change in state or chemical identity occurs?
stellarik [79]

Answer:

When most substances lose or gain energy, one of two things happens to the substance: its temperature changes or its state changes. The temperature of a substance is related to the speed of the substance’s particles. So, when the temperature of a substance changes, the speed of the particles also changes. But the temperature of a substance does not change until the change of state is complete.

Explanation:

hope this helps,

                      noah

6 0
3 years ago
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