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Sergeeva-Olga [200]
3 years ago
5

Determine the volume of liquid in each graduated cylinders.

Chemistry
1 answer:
Anna007 [38]3 years ago
5 0
Every day is that good day lol I don’t have a lot to go with them but I’m going on the go and I go to the school day so I’ll go buy a new pair lol I don’t have time for them lol I don’t have time for that lol I didn’t buy them for them.
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Explain what happens to the heat that is being added to a substance when the substance is changing phase.
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<span>When a substance changes from one state, or phase, of matter to another we say that it has undergone a change of state, or we say that it has undergone a change of phase. For example, ice melts and becomes water; water evaporates and becomes water vapor.These changes of phase always occur with a change of heat. Heat, which is energy, either comes into the material during a change of phase or heat comes out of the material during this change. However, although the heat content of the material changes, the temperature does not.</span>

 

4 0
3 years ago
Explain the advantage of using scientific names,
posledela

Answer:

Clarity and precision - these names are unique with each creature having only one scientific name. Helps avoid confusion created by common names. 3. Universal recognition - scientific names are standardised and accepted universally

Explanation:

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2 years ago
Which of the following is a product of the photosynthesis reaction?
marishachu [46]

A.glucose is a product of the photosynthesis reaction carbon dioxide is a reactant.

6 0
3 years ago
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Isobutylene is a hydrocarbon used in the manufacture of synthetic rubber. when 0.847 g of isobutylene was subjected to combustio
Firlakuza [10]
Find the mass of C in the 2.657 g CO2:
(2.657 g CO2) / (44.01 g/mol) = 0.06037 mol CO2
Since each mole of CO2 also has 1 mole of C, this is equivalent to 0.06037 mol C.

Find the mass of H in the 1.089 g H2O:
(1.089 g H2O) / (18.02 g/mol) = 0.06043 mol H2O
Since 1 mol H2O has 2 mol H, this is equivalent to (0.06043)*2 = 0.1209 mol H.

Taking the ratio of H to C: 0.1209 / 0.06037 = 2.002 ~ 2
Therefore, the empirical formula of isobutylene is CH2.
6 0
3 years ago
These four ELEMENTS were found in early earth and they make up all living things.
VladimirAG [237]

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