Chemistry, 27.01.2020 00:31 katherinegvz
For a science experiment, a student rubs a mineral against a porcelain plate. the students has just performed
a) an acid test.
b) a streak test.
c) a hardness test.
d) a fracture test.
Answers: 2
Chemistry, 22.06.2019 06:30
How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned
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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
Answers: 1
For a science experiment, a student rubs a mineral against a porcelain plate. the students has just...
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