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Virty [35]
2 years ago
6

How much pressure (in atm) would be found in 5.8 moles of an ideal gas at 358 K and volume of 3.9 L?

Chemistry
1 answer:
sineoko [7]2 years ago
7 0

Answer:

pressure=force / volume

5.8÷3.9

=1.5 ml

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Where are most of the nonmetals found in the periodic table?. . A.. at the top. . B.. on the right side. . C.. in the bottom lef
mote1985 [20]
The correct answer among the choices listed is option B. Most of the nonmetals found are found in the right side of the periodic table. There are seventeen nonmetal elements that can found on that side. Nonmetal elements are poor conductors of heat and electricity.
6 0
3 years ago
Combustion analysis of a 13.42-g sample of the unknown organic compound (which contains only carbon, hydrogen, and oxygen) produ
pentagon [3]

Answer: molecular formula = C12H16O8

Explanation:

NB Mm CO2= 44g/mol

Mm H2O= 18g/mol

Moles of CO2 = 36.86/44=0.84mol

0.84mole of CO2 has 0.84 mol of C

Moles of H2O = 10.06/18= 0.56mol

1mol of H20 contains 1mol of O and 2 mol H,

Hence there are 0.56mol O and (0.56×2)mol H

Hence the compound contains

C= 0.84 mol H= 1.12mol O=0.56mol

Divide through by smallest number

C= 0.83/0.56= 1.5mol

H= 1.12/0.55= 2mol

O= 0.56/0.56= 1mol

Multiply all by 2 to have whole number of moles = 3:4:2

Hence empirical formula= C3H4O2

(C3H4O2)n = 288.38

[(12×3) + 4+(16×2)]n= 288.38

72n=288.38

n= 4

:. Molecular formula=(C3H4O2)4= C12H16O8

7 0
2 years ago
The energy stored in molecular bonds is called _____.
makvit [3.9K]
Correct answer is chemical energy.

Reason:

For the chemical reactions to occur, energy is to be supplied for breaking and reorganization of bonds. This energy can be in form of heat, light, etc. Since, breaking of bonds results in chemical reactions to occur, t<span>he energy stored in molecular bonds is called Chemical energy.</span>
8 0
3 years ago
Read 2 more answers
An object with a mass of 3.2kg has a force of 16.3 newtons to the right and 6.7 newtons to the left applied to it. What is the r
Pepsi [2]

Answer:

3m/s²

Explanation:

Given parameters:

Mass of object  = 3.2kg

Force to the right = 16.3N

Force to the left  = 6.7N

Unknown:

Acceleration of the object  = ?

Solution:

To solve this problem, we use newtons second law of motion;

   Net force  = mass x acceleration

 Net force on object  = Force to the right  - Force to the left

 Net force  = 16.3N  - 6.7N  = 9.6N

    So;

         9.6  = 3.2 x a

              a = \frac{9.6}{3.2}   = 3m/s²

7 0
2 years ago
Very important !!!!!!!!!!!!
Mademuasel [1]
They speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.
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