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100
Give the following ionic compound name for NiCO3
What is nickel (II) carbonate
100
Balance the reaction Al + Cl2 ---> AlCl3
What is 2Al + 3Cl2 -->2AlCl3
100
What is the heat of formation of Be (s)?
What is 0
100
Which Fe has the largest oxidation number? a. Fe b. Fe2O3 c. Fe3O4
What is B
100
Give the concentration of each ion in the reaction Ca(NO3)2 = 0.25M
What is Ca = 0.25 M and NO3 = 0.50 M
200
Give the chemical formula for iron (III) oxide
What is Fe2O3
200
Al + Cl2 ---> AlCl3 Mix 100grams of Cl2 and 30grams Al What is the limiting reactant?
What is Cl
200
State whether the following are endothermic or exothermic: a. A camp fire burning b. A reaction that feels cool to the touch c. H20 (g) ---> H2O(l)
What is a. Exothermic b. Endothermic c. Endothermic
200
What is being oxidized/reduced? Ag(+) + Cu ---> Ag + Cu(2+)
What is Ag being reduced and Cu being oxidized
200
How many moles of titanium are there in 0.125 moles of each of the following? a. FeTiO3 b. TiO3 c. Ti3O5
What is a) 0.125 b) 0.125 c) 0.375
300
You react lead with sulfate: write the chemical formula for this
What is PbSO4
300
Al + Cl2 ---> AlCl3 Mix 100grams of Cl2 and 30grams Al How much AlCl3 can form?
What is 125.4 grams?
300
Calculate the standard enthalpy change for the combustion of 1 mole of ethane C2H4 + 3O2 ---> 2 CO2 + 2 H2) given the following standard molar enthalpies of formation molecule: DH(kJ/mol) CO2 -393.5 H20 -241.8 C2H4 +52.5 kJ
What is -1323 kJ/mol
300
Write the ionic equation for the following reaction: BaCl2 + Na2SO4 ---> BaSO4 + 2 NaCl
What is Ba(2+) + 2Cl(-) + 2Na(+) + SO4(-2) ---> BaSO4 + 2 Na(+) + 2Cl(-)
300
In setting up a saltwater aquarium, you need an aqueous solution that has a calcium hydroxide concentration of 0.0225 M. How many grams of Ca(OH)2 do you need to make 500.0 mL of the aqueous solution?
What is .8325 grams
400
Write the following polyatomic ions with the correct ion charge: chlorate phosphate sulfate
What is ClO3(-) PO4(-3) SO4(2-)
400
DAILY DOUBLE!!! 2 NaOH + H2SO4 --->Na2SO4 + 2 H2O 25 mL of an unknown molarity of H2SO4 is added to 23.65mL of .124M NaOH. Find the molarity of H2SO4.
What is .0587M
400
DAILY DOUBLE!!! How much heat is needed to convert 54 g of liquid H2O at 20C to steam at 100C? c = 4.18 J/gC H = 40.6 kJ/mol for water
What is 139.9 kJ
400
Write the net ionic equation for the following reaction: BaCl2 + Na2SO4 ---> BaSO4 + 2 NaCl
What is Ba(2+) + SO4(2-) ---> BaSO4
400
What is the title of the chapter we just finished?
What is Thermochemistry
500
56 1 0 Fe + 3 n ---> ? + Beta 26 0 -1
What is 59 Co 27
500
Al + Cl2 ---> AlCl3 Mix 100grams of Cl2 and 30grams Al How much reactant is left?
What is 4.6 grams Al?
500
The forming of a bond is a) an exothermic process that releases heat b) an endothermic process that absorbs heat c) either exothermic or endothermic depending on the bond
What is B
500
For the following reaction, what is being oxidized and reduced? 2 NaI + 2 H2SO4 + MnO2 --> Na2SO4 + MnSO4 + I2 + 2 H2O For an extra 200 points, what are the oxidizing and reducing agents?
What is oxidized: I reduced: Mn oxidizing agent: Mn reducing agent: I
500
Are the following items soluble or insoluble? a.Mg(NO3)2 b.BaSO4 c.CuBr
What is a. soluble b. insoluble c. insoluble