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andrew-mc [135]
2 years ago
15

Pinky put her wet clothes inside the room for drying. But her mom told her to put it under the sun. Give reason why her mom told

her to put it out in the sun instead of indoors.
Chemistry
1 answer:
bulgar [2K]2 years ago
5 0

so it doesn't get smaller

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A horizontal row of the periodic table is usually referred to as a ____________
zaharov [31]

the answer is period

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Inessa05 [86]

Answer:

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Explanation:

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5 0
3 years ago
A gas exerts a pressure of 0.62 atm. Convert this to kPa and mmHg. Be sure to show your work.
IRINA_888 [86]

Answer:

The answer to your question is 0.62 atm = 62.82 kPa = 471.2 mmHg

Explanation:

Data

P = 0.62 atm

P = ? kPa

P = ? mmHg

Process

1.- Look for the conversion factor of atm to kPa and mmHg

 1 atm = 101.325 kPa

1 atm = 760 mmHg

2.- Do the conversions

                  1 atm ----------------- 101.325 kPa

                  0.62 atm ------------  x

                   x = (0,62 x 101.325) / 1

                  x = 62.82 kPa

                   1 atm ------------------ 760 mmHg

                   0.62 atm ------------  x

                   x = (0.62 x 760)/1

                   x = 471.2 mmHg                

4 0
3 years ago
What is the energy change if 84.0 g of calcium oxide (CaO) reacts with excess water in the following reaction?
pochemuha
   The energy change  if 84.0 g   of CaO  react  with  excess  water is  98KJ of heat is released.

calculation
heat  =  number of moles  x  delta H

delta H = - 65.2  Kj/mol

first find the number of  moles  of  CaO reacted

moles = mass/molar mass
the molar mass  of CaO =  40 +  16=  56 g/mol
mass = 84 g
moles therefore = 84 g/56 g/mol =1.5 moles

Heat is therefore =  1.5 moles  x -65.2 = - 97.8 Kj = -98 Kj

  since  sign is  negative  the   energy  is released 

6 0
3 years ago
What is the atomic number of the yet-undiscovered element directly below francium ( Fr) in the periodic table?
kakasveta [241]
The atomic number of Francium is 87.
4 0
3 years ago
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