Given that the solubility of PbCrO4(s) (323.2g/mol) is 4.5 x 10-5g/L, calculate the Ksp of PbCrO4 Select one: O Ksp = 1.1 x10-12 O Ksp = 2.7x10-15 O Ksp = 1.9 x 1014 O Ksp = 3.8x10-11

E B A frate F H

What is the product ?

R=D51223+orr 4. Air bags are activated when a severe impact causes a steet ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction: 2NaN3(s) 2Na(s) + 3N2(g) What mass of NaN3(s) must be reacted to inflate an air bag to 70.0 L at 25°C and 0.995atm? ***Study up on the postulates and meanings of the KMT-these problems suggest the types of calculations you can perform.

-:ö: :0=Cl=Ö: O sp? O sp³ O sp³d O sp

All chang 29. The illustration below graphs energy during the formation of a covalent bond. Where can you identify an endothermic reaction? 2H, 0, 2 H,0 Heat and Light Energy Chemical Energy Bonded a before macton duning on New bonds kmed when bonds are broken when new bonds are formed throughout the whole process before the reaction L 30. How much malt sugar (C12H22011) would you need to make a 4-M solution in water? PREVIOUS 1-50 of 50 NEXT REVIEW

82. The space shuttle Orbiter utilizes the oxidation of methylhy- drazine by dinitrogen tetroxide for propulsion: 4N₂H3CH3(1) + 5N₂O4 (1) 12H₂O(g) + 9N₂(g) + 4CO2(8) Calculate AH for this reaction. ▬▬▬▬▬▬▬▬▬▬

draw structures of the reactions' products

Heparin is available in a 10 mL vial containing 2500 units/mL.  A heparin infusion is prepared by adding 7.5 mL of the heparin stock solution to a final volume of 500 mL of Dextrose 5% in Water. What is the infusion rate (mL/hour) required to deliver a dose of 18 units/kg/hour to a patient who is 6’0” tall and weighs 154 lbs?

Q1