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tia_tia [17]
3 years ago
6

List three examples of high energy waves that are harmful to living things:

Chemistry
1 answer:
lord [1]3 years ago
5 0
UV rays, gamma rays, and x rays
Hope this help
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. How many grams of water would require 4400 joules
Alja [10]

Answer:

The specific heat of water is 4.18 J/g C.

Explanation:

q

=

m

C

s

Δ

T

Never forget that!

2200

=

m

⋅

4.18

J

g

⋅

°

C

⋅

66

°

C

∴

m

≈

8.0

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5 0
2 years ago
if the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams what is the precent yield
netineya [11]
Percentage Yield = (Actual Yield ÷ Theoretical Yield) × 100  

∴ if theoretical yield is 26 g, but only 22.0 is recovered from the reaction, 
then Percentage Yield = (22 g ÷ 26 g) × 100  
                                       =  84.6 %
8 0
3 years ago
By using the following reactions, calculate the heat of combustion of pentane:
Sergio [31]
To answer this problem, we use Hess' Law to calculate the overall enthalpy of the reactions. The goal is to add all the reactions such that the final reaction is C<span>5H12 (g) + 8O2 (g) → 5CO2 (g) + 6H2O (l) through cancellation adn multiplication. The first equation is multiplied by 5, the second one is multiplied by 6 and the third one is reversed. The final answer is -3538 J or -3.54 x10^3 kJ.</span>
6 0
3 years ago
Will give brainlist!!!
alina1380 [7]

Answer:

C

Explanation:

75 mile shallow flat area just off coastlines

8 0
3 years ago
What would be the formula for an alkane which contains 30 hydrogen atoms? C__H30 16 18 14 15
Sladkaya [172]
The formula would be C14H30.
6 0
3 years ago
Read 2 more answers
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