Which sample equation best illustrates the law of conservation of mass?
a. 4 grams reactant u...
Chemistry, 05.11.2019 22:31 janessa0804
Which sample equation best illustrates the law of conservation of mass?
a. 4 grams reactant u+3 grams reactant v to 7 grams product w
b. 12 grams reactant x+10 grams reactant y to 2 grams product z
c. 5 grams reactant e+5 grams reactant f to 20 grams product g+5 grams product h
d. 10 grams reactant q+9 grams reactant r to 90 grams product s+90 grams product t
Answers: 1
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
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