3 years ago

Please help me #6!!!!!!!!

1 answer:

3 0

I believe that the answer is 12 because there is already 3 O molecules and since its in parentheses with 3 outside it that means that there are 3 of those CO molecules meaning that for every 1 CO there will be 3 O’s so 3, four times Is 12

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Need these 2 answered asap pls

Kitty [74]

Answer:

im not a brain wiz but i think 20

Explanation:

3 0

2 years ago

Calculate the amount of oxygen gas collected by the displacement of water at 14◦C if the atmospheric pressure is 790 Torr and th

zhannawk [14.2K]

Answer : The amount of oxygen gas collected are, 0.217 mol

Explanation :

Using ideal gas equation :

$PV=nRT$

where,

P = pressure of gas = $(790-12)torr=778torr=1.02atm$ (1 atm = 760 torr)

V = volume of gas = 5 L

T = temperature of gas = $14^oC=273+14=287K$

n = number of moles of gas = ?

R = gas constant = 0.0821 L.atm/mol.K

Now put all the given values in the ideal gas equation, we get:

$(1.02atm)\times (5L)=n\times (0.0821L.atm/mol.K)\times (287K)$

$n=0.217mole$

Thus, the amount of oxygen gas collected are, 0.217 mol

8 0

3 years ago

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bulgar [2K]

Answer:

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Explanation:

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4 0

3 years ago

3. With which temperature scale is temperature directly proportional to average kinetic energy?

padilas [110]

Answer:

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Explanation:

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1-isopropyl-2-methylcyclohexane identify the numbers of hydrogen atoms

yanalaym [24]

Explanation:

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0 in the photo should be 1, 1, 1

8 0

2 years ago