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Molodets [167]
3 years ago
12

A student adds different amounts of ice to four samples of water and records the change in temperature after 30 minutes. What is

the independent variable in this investigation?
Chemistry
1 answer:
Serggg [28]3 years ago
3 0

Answer:

Amount of ice

Explanation:

When we talk about independent variable, we mean that variable in an experiment that is manipulated and its effect on the dependent variable is measured.

In this case, the amount of ice in each water sample determines the temperature of each sample. Hence the amount of ice is the independent variable.

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Matter and energy are conserved in nature through their use by biological systems, which is dedicated by the Law of conservation.

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Matter and energy conservation indicate that organisms can not create or destroy these elements in nature.

Matter and energy conservation are fundamental for maintaining the state of equilibrium (homeostasis) of biological systems.

In conclusion, matter and energy are conserved in nature through their use by biological systems, which is dedicated by the Law of conservation.

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8 0
2 years ago
Determine the name for aqueous H2CO3. carbonous acid dihydrogen carbonate carbonic acid hydrocarbonic acid hydrocarbide acid
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So, option C is correct one.

Binary hydrogen compounds with non metals may form H+ (proton) and an anion dissolved in water. The acidic solutions are named as if they were molecular acids , using the usual name for the compound itself , replacing hydrogen with hydro- and suffix -ide with ic. The word acid is then use.

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4 0
2 years ago
What is the answer for number one please help
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The answer is 70 I guess. Hope this helps :)

4 0
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Is ice silicate or nonsilicate
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7 0
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