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2 years ago

Liquid alcohol will change to vapor when its temperature reaches the

Chemistry

1 answer:

Nina [5.8K]2 years ago

4 0

C. boiling point
boiling point is the temperature at which all liquids change from liquid to gas

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How many moles of chlorine gas is contained in 4.81x10^24 molecules

ziro4ka [17]

Answer:

7.99 mol

Explanation:

Step 1: Given data

Molecules of chlorine gas: 4.81 × 10²⁴ molecules

Step 2: Calculate how many moles of chlorine gas corresponds to 4.81 × 10²⁴ molecules of chlorine gas

In order to convert molecules to moles, we will use Avogadro's number: there are 6.02 × 10²³ molecules of chlorine gas in 1 mole of molecules of chlorine gas.

4.81 × 10²⁴ molecules × (1 mol/6.02 × 10²³ molecules) = 7.99 mol

6 0

3 years ago

Which of the following describes what scientists expect to happen every time under certain conditions?

Ber [7]

I believe it is d. scientific law

7 0

2 years ago

Number 58!! PLEASE EXPLAIN!!! And show work

irina1246 [14]

and it is D for your ansower

Explanation:

7 0

3 years ago

How is a gas's ability to fill a container different from that of a liquid or a solid?

svp [43]

Well a solid and a liquid is completely different from a gas. For a gas you need to have an air tight seal in order for the gas to stay in, or a special type of container so the gas doesn't decompose the container. And a liquid or a solid it's self explanatory. With some liquids you need special containers to hold the liquid so it doesn't decompose the container it's in.

8 0

3 years ago

20 N force moving a box to 30 meters distance. How much work id done? if it takes 10 sec to do this work, how much power is used

dalvyx [7]

Answer:

Work done = 600 J

Power used = 60 W

Explanation:

Given:

Force acting on the box is, $F=20\ N$

Displacement of the box is, $S=30\ m$

Time taken for the work, $t=10\ s$

Now, we know that, work is said to be done by a force only when there is displacement caused by the force in its direction.

Here, the force acting on the box causes a displacement of 30 m in its direction. So, work done is equal to the product of force and displacement caused.

Therefore, work done on the box is given as:

$Work=Force\times Displacement\\Work=F\times S\\Work=(20\ N)\times (30\ m)\\Work=600\ J$

Therefore, the work done is 600 J.

Now, we know that, power is given as work done per unit time.

So, power used is given as:

$Power=\frac{Work}{Time}\\\\Power=\frac{600\ J}{10\ s}\\\\Power=60\ W$

Therefore, the power used is 60 W.

5 0

3 years ago