Chemistry, 28.10.2020 07:50 keigleyhannah30
3. What is the mass of an object with a density of 1.7 g/cm3 and a volume of 7 cm3?
4. What is the mass of an object with a density of 0.9 g/mL and a volume of 10 mL?
5. What is the volume of a substance with a density of 0.87 g/mL and a mass of 14 g?
6. What is the volume of an object with a density of 2.3 g/mL and a mass of 24 g?
Answers: 1
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 16:40
Identify the lewis acid in this balanced equation: ag+ + 2nh3 -> ag(nh3)2+a. ag+b. nh3c. ag(nh3)2+
Answers: 1
Chemistry, 22.06.2019 20:00
Nitrogen dioxide decomposes according to the reaction 2 no2(g) โ 2 no(g) + o2(g) where kp = 4.48 ร 10โ13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)
Answers: 2
Chemistry, 22.06.2019 23:00
How does the value of the equilibrium constant show that a reaction reaches equilibrium very quickly? (a) the equilibrium constant is large. (b) the equilibrium constant is small. (c) the equilibrium constant is zero. (d) the value of the equilibrium constant does not show how quickly a reaction comes to equilibrium.
Answers: 1
3. What is the mass of an object with a density of 1.7 g/cm3 and a volume of 7 cm3?
4. What is the...
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