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Elenna [48]
3 years ago
11

I need the measurements to the appropriate amount of significant figures on this pleasee

Chemistry
1 answer:
klio [65]3 years ago
3 0

Answer:

the blue paper, 10.9

Explanation:

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18.
Leno4ka [110]

Answer:

It helps the body remove heat through sweating.

Explanation:

When the weather is hot, the body tries to keep cool by sweating. The high specific heat capacity means that the body doesn't have to lose much water to stay cool.

The high specific heat capacity of water doesn’t heat the body, but it slows down the rate of heat loss when the weather is cool.

B is wrong. The body uses glucose, not water, as an energy source.

C is wrong. The high specific heat capacity of water is not connected with the body's ability to store it.

D is wrong. The high specific heat capacity of water doesn't heat the body, but it slows the rate at which it cools.

6 0
2 years ago
Read 2 more answers
suggest two observations that you can make when Calcium reacts with water and write a balanced equation for the reaction of calc
Kamila [148]

• Bubbles of a colourless, odourless gas are evolved

• The solution turns red litmus blue

       Ca + 2H_2O→ Ca(OH)_2 + H_2

8 0
3 years ago
What are the benefits of scientists using the metric system worldwide?select all that apply
denis-greek [22]

There are several scales to determine the weight of material. The chose of the weight scale depends upon the size of the material. Like if we have to measure the molecular or atomic weight of  a molecule or atom we use gm. Like that for the bigger molecules like proteins the weight of the molecule is expressed by different scale due to its big size. Like that for big material like iron rods etc we generally use kilograms or ton. There are two types of measuring units one is C.G.S. and another is S.I. The S.I. units are more acceptable worldwide than that the C.G.S. units as the digit comes in SI units are easily handable than that of CGS.

Thus metric is used to determine a large weight of compounds which is a SI unit and handable.    

4 0
3 years ago
A solution containing 1.0 M NiCl2 and 1.0 M SnBr2 undergoes electrolysis by passing a current between two platinum electrodes. W
scoray [572]

Answer:

Sn2+ (aq) + 2e- → Sn(s) ℰ° = -0.14 V

Explanation:

A close look at all the options shows that the most feasible first reaction is the reduction of tin II ion to ordinary metallic tin.

Given the two half cells, nickel is oxidized in one half cell to Ni II while in the second half cell, tin II ion is reduced to metallic tin. The platinum electrodes simply act as electron conduits in the cell.

4 0
3 years ago
Warm air above large bodies of water rises into the atmosphere, carrying with it water vapor that forms clouds. Likewise, as air
crimeas [40]

Answer: it’s not conduction

Explanation: I don’t know the answer though

5 0
2 years ago
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