Chemistry, 22.07.2019 23:50 montesa0910
Can you guys me. fill in the blank 1. a(n) chemical is a description of a reaction using element symbols and chemical formulas. 2.. are the starting substances in a chemical reaction. 3.. are the substances produced by a chemical reaction. 4. mass is conserved in a chemical reaction because atoms are not or 5.to show that mass is conserved, a chemical equation must be which means that the number of each type of atoms must be the same on both sides of the equation. 6. numbers in front of the symbols and formulas in an equation are called study the following equation, then answer questions on the lines provided. al (s) + cucl (aq) → alcl3 (aq) + cu (s) 7. what are the products? 8. what are the reactants?
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Chemistry, 22.06.2019 08:40
Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.
Answers: 2
Chemistry, 23.06.2019 01:10
A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .
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Chemistry, 23.06.2019 04:31
How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.
Answers: 1
Can you guys me. fill in the blank 1. a(n) chemical is a description of a reaction using element s...
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