Chemistry, 21.01.2021 19:20 rhiannonwheatcr5743
An electrically neutral atom consists of 15 neutrons,13 electrons, and a number of protons. what is its mass number
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Chemistry, 22.06.2019 18:30
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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Chemistry, 23.06.2019 04:00
Why must humans find substitutes for many minerals found on earth? (a) form at an extremely slow rate (b) controlled by other countries (c) too deep in the earth to collect
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Chemistry, 23.06.2019 15:30
Iv the concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point الم" الا به done رلرلرللللہ و و او 8
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Chemistry, 23.06.2019 20:30
Atmospheric pressure is 1.00 atm, but air is only composed of 21.0% (by moles) oxygen. thus, the partial pressure of oxygen in air is less than 1.00 atm. what is the millimolar concentration of dissolved oxygen for a lake or stream under the partial pressure of oxygen and a temperature of 20 ∘c?
Answers: 1
An electrically neutral atom consists of 15 neutrons,13 electrons, and a number of protons. what is...
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