1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
NemiM [27]
3 years ago
11

Why is the pressure 101.3kPa significant

Chemistry
1 answer:
nydimaria [60]3 years ago
3 0

Answer:

Explanation:

The kPa-kilopascal is the unit of pressure. It was named after Blaise Pascal, a mathematician and physicist.

The kPa is 1000Pa. Kilo stands for 1000. Now what is a pascal?

A pascal is the amount of force(Newton) exerted per unit area.

            1Pa = 1Nm⁻²

At the standard atmospheric level, the pressure is 101.325 x 10³ Nm⁻² i.e the atmosphere exerts a pressure of 101.325 x 10³N in an area of a body.

This unit is used to calculate pressure. It can be converted to other units.

You might be interested in
According to the kinetic theory, all matter is made of moving particles, which measurement of matter is directly proportional to
34kurt
Answer: Kelvin temperature of a substance
8 0
2 years ago
How many moles of NaCl are needed to make 10.0L of a 5 M solution of<br> Salt water?*
vesna_86 [32]

Answer: 50 mol

Explanation:

Molarity=\frac{Moles -of -solute}{liters -of -solution}

M=\frac{mol}{L}

mol=M*L

mol=5*10\\mol=50mol

3 0
3 years ago
Determine if the chemical equation is balanced or not balanced. 1N2 + 1H2&gt; NH3 ​
almond37 [142]

Answer:

Explanation:

7 0
3 years ago
How many moles of HCl are present in 0.70 L of a 0.33 M HCl solution? (molar mass of HCl = 36.46 g/mol)
Vilka [71]

Answer:-

0.231 moles

Explanation:-

From the question we are told that

Volume of HCl solution = 0.70 L

Strength of HCl solution = 0.33 M

Here M stands for molarity. Molarity is the number of moles of the substance present per Litre of solution. So in place of M we can write moles / L

Number of moles of HCl solution = Volume of HCl solution x Strength of HCl solution

= 0.70 L x 0.33 moles / L

= 0.231 moles.

0.231 moles of HCl are present in 0.70 L of a 0.33 M HCl solution

5 0
3 years ago
Which of the following statements is correct about the force of gravity between two objects?
SVETLANKA909090 [29]

Answer: D

Explanation:

Shape and temperature have nothing to do with gravity. You could take a circle block and a square block and put it on the ground and they will stay there. Gravity is not weaker when objects are closer together because of Newtons law of gravitation.

3 0
3 years ago
Other questions:
  • Why are water molecules polar? select one:
    6·1 answer
  • Compare the mass number and atomic number for isotopes of an element
    9·1 answer
  • Which of the following chemicals is implicated in both global warming and ozone depletion?a. chlorofluorocarbons b. sulfur dioxi
    8·1 answer
  • Help me with this please!
    5·1 answer
  • Hno3, a strong acid, is added to shift the ag2co3 equilibrium (equation 7.6) to the right. explain why the shift occurs.
    13·1 answer
  • Why has Earth's climate changed so rapidly in recent years?
    7·1 answer
  • Which of the following materials contains components in a fixed ratio?
    13·2 answers
  • C. rubidium sulfate
    8·1 answer
  • Did Adam Jackson win by
    6·2 answers
  • Which of the following best describes the atmosphere of a planet?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!