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PilotLPTM [1.2K]

2 years ago

14

Explain how static energy is generated?

2 answers:

antiseptic1488 [7]2 years ago

6 0

Answer:

Static energy is generated due to friction between two surfaces.

When two surfaces are rubbed, the surface with low work function will lose electrons to a surface with high work function. When the magnitude of positive charges are equal to magnitude of electrons. The field created between, generates static energy.

Explanation:

$.$

HACTEHA [7]2 years ago

3 0

$Question$

explain how static energy is generated?

Answer:

Hi, there! ♚♛♕♔ッ✨♚

Static electricity is the result of an imbalance between negative and positive charges in an object.

These charges can build up on the surface of an object until they find a way to be released or discharged

Hope this helps!!

♚♛♕♔ッ✨♚

-xXxAnimexXx-

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How many atoms in chemical formula NaCl

musickatia [10]

Answer:

2 atoms

Explanation:

1 sodium atom + 1 chlorine atom = 2 atoms

4 0

3 years ago

How many moles of KBr are present in 500 ml of a 0.8 M KBr solution?

faltersainse [42]

Answer:

2) 0.4 mol

Explanation:

Step 1: Given data

Volume of the solution (V): 500 mL

Molar concentration of the solution (M): 0.8 M = 0.8 mol/L

Step 2: Convert "V" to L

We will use the conversion factor 1 L = 1000 mL.

500 mL × 1 L/1000 mL = 0.500 L

Step 3: Calculate the moles of KBr (solute)

The molarity is the quotient between the moles of solute (n) and the liters of solution.

M = n/V

n = M × V

n = 0.8 mol/L × 0.500 L = 0.4 mol

4 0

2 years ago

Justin mixed two clear liquids together during an experiment and made the following observations:

svp [43]

Answer:

B. A chemical change occurred which caused the liquid's physical properties to change.

Explanation:

The reduction of the temperature of the system meant that the reaction absorbed heat energy from it. This shows that a chemical reaction was in progress. New products were formed, and this is proved by the change in the color to blue.

6 0

3 years ago

Read 2 more answers

A spacecraft is filled with 0.500 atm of N2 and 0.500 atm of O2. Suppose a micrometeor strikes this spacecraft and puts a very s

Archy [21]

Answer:

N2 is lost from the craft 6.9% faster than O2 is lost.

Explanation:

<u>Step 1:</u> Data given

0.500 atm of N2

0.500 atm of 02

Molar mass of 02 = 2*16 g/mole = 32 g/mole

Molar mass of N2 = 2* 14 g/mole = 28g/mole

<u>Step 2:</u> Calculate the rate of loss

r1N2 / r2O2 = √(M2(02)/M1(N2)) = √(32/28) = 1.069

1.069-1)*100= 6.9%

This means N2 is lost from the craft 6.9% faster than O2 is lost.

7 0

3 years ago

Read 2 more answers

Yuri [45]

I believe it is A because a physical change is something that can be changed back to where a chemical change can not be such as burning something.

5 0

2 years ago