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Vinil7 [7]
3 years ago
9

What has MOST LIKELY caused a change in the soil in the wheat field shown? A) crystallization B) erosion C) sedimentation D) wea

thering
Chemistry
2 answers:
san4es73 [151]3 years ago
8 0

Erosion, i took the test

sladkih [1.3K]3 years ago
6 0
B erosion trust me i know this stuff
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when carbon is burned in the air, it reacts with oxygen to form carbon dioxide. when 22.8 g of carbon were burned in the presenc
OverLord2011 [107]

Answer:

So there is83.6g CO2 produced

Explanation:

Burning carbon with air has the following equation

C + O2 → CO2

For 1 mol Carbon, we have 1 mol O2 and 1 mol CO2

Step 2: Calculating moles

mole C = 22.8g / 12g/mole

Mole C = 1.9 mole

1.9 mole C will completely react

Since for each mole C there is 1 mole O2 and 1 mole CO2

This means there will also react 1.9 mole of 02, to be formed 1.9 mole of CO2

mole CO2 = mass CO2 / Molar mass CO2

mass CO2 = 1.9 mole CO2 * 44g/mole =<u>83.6g CO2</u>

In this reaction 18.2 g of O2 remained unreacted

we can control this: 79g - 18.2 g = 60.8g

1.9 mole * 32g/mol = 60.8g

So there is83.6g CO2 produced

4 0
3 years ago
Help needed ASAP, I will mark your answer as brainliest.
evablogger [386]

Answer:

b

Explanation:

b

4 0
3 years ago
Read 2 more answers
A change in matter that produces one or more new substances is a(n)
lukranit [14]

You could use another word for change can be variable witch means change and if you times the one two more times then you would get four because two time two would be four and times the one would be four.


6 0
3 years ago
Help me. correct answer will be marked as brnlst
Vlada [557]

Answer:

PCI3

Explanation:

It does not obey the octet rule on the nitrogen atom.

5 0
2 years ago
Read 2 more answers
What’s the best answer
Tasya [4]
B) 0.67
Hope this helped
8 0
3 years ago
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