Chemistry, 08.12.2020 02:30 elricardo34
C. What is the relationship between the atomic mass of an element and a mole of that element's atoms? (.5 point)
Question 2: Unit Conversions (2 points)
Use the periodic table to answer the following questions. (Round atomic masses to the nearest tenth unit.)
a. What is the molar mass of Fe(NO3)2? (.5 point)
b. What is the number of moles of 27.6 g of lithium (Li)? (.5 point)
c. What is the number of molecules of 140 g of CO? (.5 point)
d. What is the molarity of 48.6 g of magnesium (Mg) ions in 2 L H2O? (.5 point)
Answers: 3
Chemistry, 22.06.2019 06:30
Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
Answers: 1
Chemistry, 22.06.2019 18:00
How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.
Answers: 3
Chemistry, 23.06.2019 00:00
(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.
Answers: 3
Chemistry, 23.06.2019 03:00
Can someone me out on this question for my national 5 chemistry homework
Answers: 1
C. What is the relationship between the atomic mass of an element and a mole of that element's atoms...
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