Chemistry, 15.07.2019 10:30 VICTURN3666
What is avogadro’s number? a. the number of atoms in exactly 14.00 g of carbon-12 b. the number of atoms in a kilogram of any substance c. the number of atoms, molecules, ions, formula units, or other particles in a mole of a substance d. the number of atoms, molecules, ions, formula units, or other particles in a gram of a substance
Answers: 1
Chemistry, 22.06.2019 20:30
What is a difference between a mixture of elements and a mixture of compounds
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Chemistry, 23.06.2019 07:00
Under what conditions will a gas be most likely to exhibit the ideal gas properties predicted by the ideal gas law? 1)high pressures and high temperature, because particles are forced closer together with higher kinetic energy, so intermolecular forces of attraction are weaker 2)high pressure and low temperature, because particles are forced closer together and moving slower, so the volume of the particles is less significant 3) low pressure and high temperature, because particles are spread farther apart and moving faster, so the intermolecular forces of attraction are weaker 4)low pressure and low temperature, because particles are spread farther apart with lower kinetic energy, so the volume of the particles is less significant
Answers: 2
Chemistry, 23.06.2019 08:00
Can anyone answer these questions? ? i need it before 1: 00pm today
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Chemistry, 23.06.2019 09:20
Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
Answers: 2
What is avogadro’s number? a. the number of atoms in exactly 14.00 g of carbon-12 b. the number of...
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