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Mazyrski [523]
3 years ago
5

Question 11 (1 point)

Chemistry
1 answer:
iren2701 [21]3 years ago
6 0
Blue to red is acidic, red to blue is basic and no change is neutral.
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600. ml of a gas at 50.0 kPa is compressed, at constant temperature, until its volume becomes 200. ml. What is the new pressure
Flura [38]

Answer:

<h3>The answer is 150 kPa</h3>

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new pressure

P_2 =  \frac{P_1V_1}{V_2}  \\

From the question we have

P_2 =  \frac{600 \times 50000}{200}  =  \frac{30000000}{200}  \\  = 150000

We have the final answer as

<h3>150 kPa</h3>

Hope this helps you

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3 years ago
Clothes in a dryer acquire static cling by
alexandr402 [8]
<span>. static discharge because there is no friction in a dryer.</span>
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In the reaction, 2Na (s) + 2H2O (l) → 2NaOH (aq) + H2 (g), which of the reactants or products is in the gas phase?
lys-0071 [83]
Clearly H2 is in gaseous state as could be seen from (g) written with it which tells state of the product
5 0
3 years ago
Please help asap.....
vampirchik [111]
Hi,

The answer is B, Urbanisation.

Hope this helps.
r3t40
3 0
3 years ago
Read 2 more answers
A dry cleaning solvent (molar mass = 146.99 g/mol) is a compound containing C, H &amp; Cl is suspected to be a cancer causing ag
poizon [28]

Answer:

Okay so set up an equation for what's happening

_C + _H + _Cl + O2 --> _CO2 + _H2O

0.451g of CO2. Convert to moles by using the molar mass of CO2 which is 44 g/mol. Now look at the ratio between Carbon and Oxygen in CO2. It's 1C:2O You just want to find C.. so do the number of moles CO2 and multiply it by 1 since the ratio says 1 carbon atom. Now you have moles of carbon. Put this number aside for later.

Do the same thing with H2O. Convert to moles by using the molar mass of H2O which is 18 g/mol. Now look at the ratio between Hydrogen and Oxygen. It's 2H:1O You just want H.. so do the number of moles of H2O and multiply it by 2 since there's 2 hydrogen atoms. Now you have the moles of hydrogen & put this number aside for later

Lastly, you need to find the chlorine. uuhhh I cant figure this part out

Explanation: ..

I hope I helped lol!

3 0
3 years ago
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