Heat
This type of reaction releases heat
Exothermic
How are volume and temperature related?
Directly proportional
What is the name of H2SO4
Sulfuric Acid
What formula would you use to figure how much to add to a solution to make it the correct concentration?
M1V1=M2V2
What is the molar mass of CH3COOH
60.052 g/mol
At 60C, the solubility of KCl is 70g per 100g of water. Is a solution of KCl at 60C, with 200g in 300g of water a saturated and unsaturated solution?
Unsaturated
If a sample of Chlorine gas (Cl2) has a volume of 2000mL, with 90g of mass, at 3 atm and 36C, what are these values in:
-Liters
-Moles
-mmHg
-Kelvins
Volume= 2L
Mass=1.285 moles Cl2
Pressure= 2280 mmHg
Temperature=309.15
Identify the conjugate base in this reaction:
HCO3- + HCl → H2CO3 + Cl-
If I have a solution that has a certain molarity, and I increase the volume of the solvent, what happens to the molarity?
It decreases
The number of moles and the mass (in grams) of chlorine, Cl2, required to react with 10.0 g of sodium metal, Na, to produce sodium chloride, NaCl.
15.43 Cl
Which of these would have a higher boiling point? CH4, H2O, and BF3?
H2O
A balloon that is 100.21 L at 21 °C and 0.981 atm is released and just barely clears the top of Mount Crumpet in British Columbia. If the final volume of the balloon is 144.53 L at a temperature of 5.24 °C, what is the pressure experienced by the balloon as it clears Mount Crumpet?
0.644 atm
If a solution has .2 moles of H3O+ what is the [OH-] of the solution if the Kw value is 1.00x 10^-14?
5 x 10^-12
What does it mean if the Kc value is bigger than 1
There is a higher concentration of reactants than products
How many atoms of CaCl2 can be produced from 65.0 g of Ca(OH)2 according to the following UNBALANCED reaction,
___Ca(OH)2 + ___HCl → ___CaCl2 + ___H2O
5.289 x 10^23 atoms
A 500 gram cube of lead is heated from 25 °C to 75 °C. How much energy was required to heat the lead? The specific heat of lead is 0.129 J/g°C.
3225 J
A 4.0 L container at 25 C is filled with 2.0 g neon and 8.0 g helium. What is the total pressure of the mixture?
13 atm
What is the pH of a 0.0235 M HCl solution? Is the solution basic or acidic?
1.629 acidic
What will the Kc value be for this equation if H2O has a molarity of 0.6 M, H2 of 0.4 M and CO of 0.7 M?
C (s) + H2O (g) _-> ←__ H2 (g) + CO (g)
0.47
Sodium Hydroxide (NaOH) reacts with Phosphoric acid (H3PO4) to form Sodium Phosphate (Na3PO4) and water (H2O). If 35.6 grams of NaOH is reacted with 30.8 grams of H3PO4, what is the limiting reactant?
NaOH
The heat of vaporization of water is 2257 Joules/gram or 540 calories/gram. What energy in Joules is required to convert 50 grams of water into steam?
112850 J
A 2.00L mixture of helium, nitrogen, and neon has a total pressure of 815 mmHg at a temperature of 255K. If the partial pressure of helium is 201 mmHg and the partial pressure of nitrogen is 351 mmHg, what mass of neon is present in the mixture?
0.03307 moles of Ne
What is the [OH-] concentration of the following reaction if the equilibrium constant for the dissociation of water is 3x10^-3, and the water is at a neutral pH
3x 10^4 M
What volumes (in liters) of 2M aqueous NaOH solution is needed to fully react with 5 g of HCl?
HCl (aq) + NaOH (aq) ----> H2O (l) + NaCl (aq)
0.069 Liters
Copper reacts with Silver (I) nitrate to form the products silver and copper (II) nitrate. How many grams of silver will be produced from 5 grams of copper and 1 gram of silver (I) nitrate?
0.635 g Ag