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VikaD [51]
3 years ago
5

Been stuck on this question, any answers ?

Chemistry
1 answer:
Lorico [155]3 years ago
6 0
Energy would be the correct answer
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Changes is sea level can result from water being locked inside a
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3 years ago
How many grams of sodium ions are in na2so4?
LiRa [457]

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142.04

Explanation:

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3 years ago
What volume of oxygen gas is needed to completely combust 0.202L of butane (C4H10) gas?
saveliy_v [14]

Answer:

look at the file :)

Explanation:

4 0
3 years ago
A photon of light possesses 5 x 10^-19 J of energy. Calculate its frequency
saveliy_v [14]

Answer:

The frequency of photon is 0.75×10¹⁵ s⁻¹.

Explanation:

Given data:

Energy of photon = 5×10⁻¹⁹ J

Frequency of photon = ?

Solution:

Formula;

E = hf

h = planck's constant = 6.63×10⁻³⁴ Js

5×10⁻¹⁹ J =  6.63×10⁻³⁴ Js ×f

f =  5×10⁻¹⁹ J / 6.63×10⁻³⁴ Js

f = 0.75×10¹⁵ s⁻¹

The frequency of photon is 0.75×10¹⁵ s⁻¹.

4 0
3 years ago
A plant fertilizer contains 15% by mass nitrogen (N). In a container of soluble plant food, there are 12.2 oz of fertilizer. How
ale4655 [162]
51.86 grams would be in the container.

One ounce is an equivalent of 28.34 grams, so times that by 12.2
.
12.2 * 28.34 = 345.75.

Put the percentage into decimal form, so 15% would now be 0.15.

0.15 * 345.75 = 51.86.
8 0
3 years ago
Read 2 more answers
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