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mixas84 [53]
3 years ago
14

At what speed do gamma Rays travel?

Chemistry
1 answer:
mr Goodwill [35]3 years ago
8 0
All electro magnetic waves will travel the speed of a vacuum. the differences are negligible so the speed of light 3.00*10^8m/s
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How much power is used if a force of 54 newtons is used to pull a wagon a distance of 10 meters in 6 seconds? 3,240 W 90 W 32.4
timama [110]
Power is defined in a mathematical expression as P = F x v where F is in N and v is in m/s. From the given equation, the v = d/t which is v = 10/ 6, then substituting the answer to the power formula W = 54 N (10/6 m/s) = 90 Watts. 
3 0
3 years ago
Read 2 more answers
Convert 16.8 L of nitrogen monoxide gas at STP to grams .
german

Answer:

See explanation

Explanation:

1 mole of a gas occupies 22.4 L

x moles occupies 16.8 L

x = 1 mole *  16.8 L/22.4 L

x = 0.75 moles

number of moles = mass/molar mass

mass =  number of moles  * molar mass

mass =  0.75 moles * 30.01 g/mol = 22.5075 g = 2.25 * 10^1 g

the coefficient of the scientific notation answer = 2.25

the exponent of the scientific notation answer = 1

significant figures are there in the answer = 6

the right most significant figure in the answer = 3

2.

number of moles = 12.5g/38g/mol = 0.3289 moles

1 mole occupies 22.4 L

0.3289 moles occupies 0.3289 moles * 22.4 L/1 mole

= 7.36736 L = 7.36736 * 10^0 L= 7.37 * 10^0 L

the coefficient of the scientific notation answer =7.37

the exponent of the scientific notation answer = 0

significant figures are there in the answer = 6

the right most significant figure in the answer= 3

8 0
3 years ago
When electrons gain energy, what can they do?
beks73 [17]

B. When electrons gain energy, they have the power to move up to a higher energy level in an atom.

3 0
3 years ago
At what temperature do KCl and NaCl have the same solubility?
Serhud [2]

Answer:

they have the same molar solubility at 44.5 degrees celsius

5 0
3 years ago
The crater is the bowl-shaped area around a volcano’s central vent. t/f
Lyrx [107]
If I'm correct, the crater is actually a circular-shaped area around the volcano's central vent. My answer is false
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3 years ago
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