Chemistry, 28.10.2020 19:00, Jazzypooh8915
Question 9 (1 point) .
Each of the following is a property of Magnesium. Which is a chemical property?
a
Ob
reacts with oxygen to produce a white powder
has a density of 1.738 g/cm3
can be drawn out into a thin wire
d
melts at 650°C
Answers: 3
Chemistry, 22.06.2019 04:50, aletadaboss
Acompound contains c, h, and o atoms. when 1.130 g of the compound is burned in oxygen, 1.064 g co2 and 0.3631 g h2o are produced. what is the empirical formula of this compound?
Answers: 1
Chemistry, 22.06.2019 06:30, jonloya264
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Chemistry, 23.06.2019 01:00, stefaniethibodeaux
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Question 9 (1 point) .
Each of the following is a property of Magnesium. Which is a chemical proper...
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