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Gnoma [55]
3 years ago
12

1. The brilliant red colors seen in fireworks are due to the emission of light

Chemistry
1 answer:
valentina_108 [34]3 years ago
4 0

Answer:

what does c and m and n stand for?

Explanation:

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sdas [7]

Answer:its mercury i think!!!!!

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8 0
2 years ago
In the lab, you are given a metal ball. You measure the mass of the ball to be 28 g. You place the ball in a graduated cylinder
KIM [24]

Answer:

Density = 8.75ml

Explanation:

Density = Mass / Volume

In this problem ...

Mass = 28 grams

Volume = 31.4ml - 28.2ml = 32ml (water displacement also)

∴Density = mass /volume = 28g/32ml = 8.75g/ml

8 0
3 years ago
Which statement best illustrates vibrational motion?
jekas [21]
C. Cello playing music at a concert
8 0
3 years ago
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What makes up the human body? (A)many different gases (B)carbon dioxide (D)many cells (C) minerals
never [62]

Answer:

<em></em>(B) Carbon Dioxide<em></em>

Explanation:

Roughly 96 percent of the mass of the human body is made up of just four elements: oxygen, carbon, hydrogen and nitrogen, with a lot of that in the form of water. The remaining 4 percent is a sparse sampling of the periodic table of elements

Hope this helps :)

4 0
3 years ago
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If 156 grams of chromium react with an excess of oxygen, as shown in the balanced chemical equation below, how many grams of chr
GenaCL600 [577]
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start with mass of Cr multiply by molar mass of Cr mole to mole ratio between Cr and Cr2O3 times molar mass of Cr2O3
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