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Chemistry, 05.09.2019 22:30 Knownothing
According to the law of conservation of mass, mass cannot be gained or destroyed in a chemical reaction. why can’t you simply add the masses of two reactants to determine the total mass of product?
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Chemistry, 21.06.2019 22:00
To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold
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What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
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Chemistry, 22.06.2019 06:00
An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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According to the law of conservation of mass, mass cannot be gained or destroyed in a chemical react...
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