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Lana71 [14]
3 years ago
12

If you have a balloon inside a car at noon during a hot summer day, the balloon molecules

Chemistry
2 answers:
aleksandrvk [35]3 years ago
6 0

Answer:

it decreases

Explanation:

because its false

earnstyle [38]3 years ago
3 0

Answer:

True

Explanation:

The pressure will increase because the heat will make the molecules move around and spread out more.

If you want I could go into more detail with the explanation.

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93.0 mL of O2 gas is collected over water at 0.930 atm and 10.0C what would be the volume of this dry gas at STP
Dahasolnce [82]
The  volume  of  the  dry   gas  at     stp  is  calculated as follows

calculate  the  number  on  moles  by use  of   PV =nRT  where  n  is  the number  of  moles

n  is therefore  = Pv/RT
P  = 0.930  atm
R(gas  contant=  0.0821  L.atm/k.mol
V= 93ml  to  liters =  93/1000= 0.093L
T=  10  +  273.15 = 283.15k

n=  (0.930  x0.093)  /(0.0821  x283.15) =  3.  72  x10^-3  moles

At  STp    1  mole  =  22.4L
what about  3.72  x10^-3 moles

by  cross  multiplication

volume =  (3.72  x10^-3)mole  x  22.4L/  1  moles  = 0.083 L   or  83.3 Ml
3 0
3 years ago
Base your answer on the information below and your knowledge of chemistry. Methanol can be manufactured by a reaction that is re
Rudiy27

Explanation:

For the given reaction:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

CO(g)+2H_2(g)\rightarrow CH_3OH(g)

Rate=k[CO]^x[H_2]^y

where x and y are order wrt to CO and H_2

According to collision theory , the molecules must collide for a reaction to take place. According to collision theory , the rate of a reaction is proportional to rate of collision of reactants.

Thus with an increase in concentration of reactants , the rate of reaction also increases. This is because if the concentration of reactants increases , the chances of collision between molecules also increases and thus more products wil be formed which in turn increases the rate of reaction.

3 0
4 years ago
A form of energy produced my a machine
sergij07 [2.7K]
Sound, heat, light etc
3 0
3 years ago
Which characteristics do Jupiter and Saturn share? Check all that apply
Natasha2012 [34]

Answer:

The correct answers are first, fourth, fifth

Explanation:

6 0
3 years ago
Read 2 more answers
Please answer these questions fast! Im on a time crunch right now
REY [17]

Answer:

1st image, 17.79 g Mg(NO3)2

2nd image 1.47 mol NH3

3rd image Molar Mass Al(OH)3 = 78 g/mol

Explanation:

1st image

Molar Mass  Mg(NO3)2 = 148. 31 g/mol

0,12 mol Mg(NO3)2 x (148, 31 g Mg(NO3)2 / 1 mol Mg(NO3)2) = 17.79 gMg(NO3)2

2nd image

Molar Mass  NH3 = 17g/mol

25 g NH3 x ( 1 mol NH3/ 17 g NH3) = 1.47 mol NH3

3rd image

Molar Mass Al(OH)3 = 1 Al *(27) + 3 O * (16) + 3 H * (1) = 78 g/mol

4 0
3 years ago
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