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zvonat [6]
3 years ago
10

Plz Answer all three questions thx ;)

Chemistry
1 answer:
rosijanka [135]3 years ago
6 0
How do scientist communicate their results and conclusions?
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The substances that are produced after the chemical reaction are called the ___​
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Products

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During a chemical reaction, there are the reactants (left side), and the products (right side).

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Wood, Iron, Glass, Paper, Nickel Which substances show magnetic property?
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If I am correct the answer would be iron and nickel.
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What is the density of a book with a mass of 60g and a volume of 20 cm3?
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2.5 g/cm3 .

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Density is mass in grams over volume in cubic centimeters. So it is 25 g 10 cm 3 =2.5 g/cm 3 The unit is grams per cubic centimeter. NB - density can also be kilograms over cubic meters Hope this helps!

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9.31x10<br> ? x 10<br> What’s the other number
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93.1

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