Chemistry, 27.01.2020 20:31 ashiteru123
If the mass of one mole of hydrogen is 1.01 grams; phosphorus, 30.97 grams; and oxygen, 16.0 grams, what is the molar mass of phosphoric acid (hàpoá)?
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Chemistry, 22.06.2019 10:10
Stage in which a star’s outer layers have started to cool and grow outward?
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Chemistry, 23.06.2019 07:10
1) a light bulb takes in 30 of energy per second. it transfers 3j as use energy. calculate the efficiency. second. it transfers 3j as useful light energy and 27j as heat energy. calculate the efficiency
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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
Answers: 1
If the mass of one mole of hydrogen is 1.01 grams; phosphorus, 30.97 grams; and oxygen, 16.0 grams...
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