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kotykmax [81]
3 years ago
13

A wave traveling through air meets an object and bounced off its flat surface

Chemistry
2 answers:
maks197457 [2]3 years ago
6 0
It is a I’m think I’m pretty sure
schepotkina [342]3 years ago
6 0
A because I got it right
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olchik [2.2K]
The answer to this would be helium
4 0
3 years ago
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Please help. Thank you!
scoray [572]

Answer: Uranium is a chemical element with atomic number 92 which means there are 92 protons and 92 electrons in the atomic structure. The chemical symbol for Uranium is U. Electron configuration of Uranium is [Rn] 5f3 6d1 7s2. Possible oxidation states are +3,4,5,6.

Explanation:

6 0
3 years ago
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What is 108 g +10+5+3
natali 33 [55]

ANSWER : 108 + 10 = 118

118 + ( 5 + 3 )

118 + 8 = <u>1</u><u>2</u><u>6</u>

<u>=</u><u> </u><u>1</u><u>2</u><u>6</u><u> </u><u>g</u>

7 0
3 years ago
What is the percentage error of a length measure of 0.229 cm if the correct value is 0.225 cm
olchik [2.2K]
((|Vtrue-Vobserved|) / (Vtrue)) x 100

1.77777%error
8 0
3 years ago
You are given a cube of pure copper when you calculate the density using
lara [203]

Answer:

2.01% to the nearest hundredth.

Explanation:

Percent error =[ (8.96-8.78) / 8.96]* 100

= 0.020089 * 100

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5 0
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