Gaseous ammonia chemically reacts with oxygen (O2) gas to produce nitrogen monoxide gas and water vapor. Calculate the moles of ammonia needed to produce 0.085 mol of water. Answer is in moles, needs to be rounded to the nearest significant digit. I need to know the steps to getting there, since I already balanced the equation to make it 4 NH3 + 5 O2 = 4 NO + 6 H2O but I don't know the process used to get to how many moles of ammonia are needed to produce a certain amount of moles of water.

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?