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Kisachek [45]
3 years ago
12

What is the diagram of 2CO2

Chemistry
1 answer:
Fynjy0 [20]3 years ago
7 0

Answer:

hope i helped!

pls mark brainliest if i am correct

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How many significant figures are in 0.0034 cm? a 2 b 3 c 1 d 4
Annette [7]

Answer:

A. 2 sig figs

Explanation:

In the number 0.0034, the zeros are called leading zeros. The only function of leading zeros is to fix the decimal point. Leading zeros are not counted as significant figures.

8 0
3 years ago
In a hurry to complete the experiment, Joseph failed to calibrate the spectrophotometer. As a result, all absorbance values for
gizmo_the_mogwai [7]
Joseph will not get the correct results for his samples. The spectophotometer will measure wrong absorbance values for the sample. It is highly advised to callibrate the instrument by first setting the absorbance of the solvent to zero. After it is done, only then one must determine the absorbance of the test solutions.
5 0
3 years ago
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Magnesium and nitrogen react in a combination reaction to produce magnesium nitride: 3 Mg + N2 → Mg3N2 In a particular experimen
Dafna11 [192]

Answer:

The mass of Mg consumed is 23.76 g.

Explanation:

Magnesium and nitrogen react as : three moles of magnesium reacts with one mole of nitrogen to give one mole of magnesium nitride.

as given that the mass of nitrogen reacted = 9.27 g

moles of nitrogen reacted = \frac{mass}{molarmass}=\frac{9.27}{28}=0.33

Thus moles of magnesium reacted = 3 X 0.33 = 0.99 moles

mass of Mg reacted = moles X atomic mass = 0.99 X 24 = 23.76 grams

5 0
3 years ago
A brick has a mass of 1230 grams and a volume of 473 cubic centimeters. What is its density?
-Dominant- [34]

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Explanation:

mass divided by volume :)

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2 years ago
Match Making (Romance Cemistry)
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