Chemistry, 22.10.2020 01:01 Satoetoe24
Which definition is correct?
a physical change creates a new substance because bonds are broken or formed
a physical change can happen without changing any characteristics of the substance
a chemical change occurs when the substance remains the same but the shape, or other physical characteristics change
a chemical change produces a new substance by breaking and forming new bonds
Answers: 1
Chemistry, 21.06.2019 20:40
You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen
Answers: 2
Chemistry, 22.06.2019 20:00
Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin
Answers: 3
Chemistry, 23.06.2019 10:30
Identify the limiting reactant when 9.65-g h2so4 reacts with 6.10-g of naoh.the equation is h2s04 + 2naoh = 2h2o + na2so4• what is the theoretical yield of na2so4, in grams? • how much of the excess reagent will remain after the reaction has been completed? • if 10.5-g of na2so4 are actually recovered experimentally, what is the percent yield?
Answers: 3
Which definition is correct?
a physical change creates a new substance because bonds are broken or...
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