Limiting Reactant
For the reaction 2S(s) + 302(g) --> 2S03(g) if 6.3 g of S is reacted with 10.0 g of 02. Which one will be the limiting reactant?
S is the limiting reactant
If 22.5 L of nitrogen at 748 mm Hg is compressed to 725 mm Hg at constant temperature. What is the new volume?
23.2 L
What is the trend in solubility of a solid when temperature is increased? What about if its a gas?
Solubility increases, solubility decreases
What are the two conditions that are needed for a reaction to occur?
Force and orientation of collisions
What is my major?
Ancient civilizations
CO(g) +2H2 --> CH3OH 2.50 g of hydrogen is reacted with 30.0 g of carbon monoxide at STP. What is the limiting reactant?
Hydrogen is the limiting reactant
A gas with a volume of 4.0L at a pressure of 205kPa is allowed to expand to a volume of 12.0L. What is the pressure in the container if the temperature remains constant?
68 kPa
Is silver chloride soluble in water? Why or why not?
No, because rule 3
What are three ways you could increase the rate of a chemical reaction
Increase temperature, lower volume, add a catalyst
What is my favorite animal?
Dogs
When NH3 is prepared from 28 g N2 and excess H2, the theoretical yield of NH3 is 34 g. When this reaction is carried out in a given experiment, only 1.765 mol is produced. What is the percent yield?
88% percent yeild
CaCO3 decomposes at 1200o C to form CO2 gas and CaO. If 25 L of CO2 are collected at 1200o C, what will the volume of this gas be after it cools to 25o C?
5.1 L
How many milliliters of 5.0 M copper(II) sulfate solution must be added to 160 mL of water to achieve a 0.30 M copper(II) sulfate solution?
10 mL
Do reaction rates increase or decrease as a chemical reaction occurs? Why?
Decrease because there are less reactants to react with
What was my major when I started college?
Biochemistry
2 NaCl + Pb(NO3)2 --> 2 NaNO3 + PbCl2 How many grams of lead II chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2? What is the limiting reactant? How much excess is left over?
21.5 g NaCl can be produced. 17.4 g Pb(NO3)2 will be in excess
A 35 L tank of oxygen is at 315 K with an internal pressure of 190 atmospheres. How many moles of gas does the tank contain?
260 moles
You need to make 10.0 L of 1.2 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 2.5 L of it?
4.8 M
How do catalysts speed up a chemical reaction?
They decrease the activation energy
What language am I taking?
Ancient Greek
NaCl + Pb(NO3)2 --> NaNO3 + PbCl2
How many grams of lead II chloride are produced from the reaction of 15.3 g of NaCl and 60.8 g of Pb(NO3)2? What is the limiting reactant? How much excess is left over?
17.4 g PbNO3 will be left over
A helium balloon with an internal pressure of 1.00 atm and a volume of 4.50 L at 20.00 C is released. What volume will the balloon occupy at an altitude where the pressure is 0.600 atm and the temperature is –20.00 C?
6.48 L
If you dilute 174 mL of a 1.6 M solution of LiCl to 1.0 L, determine the new concentration of the solution
0.28 M
White the net ionic equation for the following reaction
AgNO3(aq) + KCl(aq) --> AgCl(s) + KNO3(aq)
Ag+ (aq) + Cl¯ (aq) --> AgCl (s)
What am certificate am I pursuing?
Museum Studies