2 Si5H11 + 11 Br2 ---> 10 Si + 22 HBr How many moles of SisH11 are needed to produce 859 grams of Si
___?__mol Si5H11 = 859 g Si
Round your answer to 3 significant figures.

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5

At 35.0°c and 3.00 atm pressure, a gas has a volume of 1.40 l. what pressure does the gas have at 0.00°c and a volume of 0.950 l? which equation should you use? p2= p1v1t2/t1v2what is the pressure of the gas? 3.92 atm these are the answers

Ground state electron configuration for element v