What is the mass of 0.8 moles of Iron?

A)

12.1 grams

B)

25.2 grams

C)

44.7 grams

D)

100.8 grams

Cells that carry info throughout your nervous system

Identify the subshell corresponding to the lowest energy peak in the photoelectron spectrum (pes) of sulfur.

How many atoms are here in the following? a. 3N2 b. 2H2O c. 4HNO3 d. 2Ca (OH) 2 e. 3Ba (ClO3) 2 f. 5Fe (NO3) 2 g. 4Mg3 (PO4) 2 h. 2 (NH4) 2SO4 i. 6Al2 (SeO4) 3 j. 4C3H8

N2 (g) + 3H2 (g) - - >2 NH3 (g) The equation above is the equation for the Haber process. In a certain reaction, you start with 3.0 moles of nitrogen and 5.0 moles of hydrogen, which is the excess reactant?

4. Sarah is a track athlete who is tracking her workouts to improve her speed at the 400m dash. Currently, she is running the 400m in 50s. What is her current speed over this distance?

What is the net ionic equation for the reaction between nickle (II) chloride and silver (I) nitrate?

What is the velocity of a wave with a wavelength of 0.03 m and a frequency of 120 Hz?

What is the gram atomic mass of sodium?

You have two beakers, one filled to the 100-mL mark with sugar (which has a mass of 180.0g) and the other filled to the 100-mL mark with water (mass of 100.0g).

How might we one day be able to prove the absence of God through science?