Chemistry, 25.10.2019 12:43 izabellabyan
Two substances, a and z, are to be identified. substance a can not be broken down by a chemical change. substance z can be broken down by a chemical change. what can be concluded about these substances?
(1) both substances are elements.
(2) both substances are compounds.
(3) substance a is an element and substance z is a compound.
(4) substance a is a compound and substance z is an element.
Answers: 1
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Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
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Chemistry, 22.06.2019 12:30
Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
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Two substances, a and z, are to be identified. substance a can not be broken down by a chemical chan...
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