How many joules are required to raise the temperature of 450 mL of water from 30° C to 100 °C?
A container with a volume of 14 L filled with gas at 2.00 atm at 283k. What will be the new pressure temperature increase to 321k?
molar mass of KCI
4. Consider the following reaction: C12H22O11(s) -----------> HH2O(g) + 12C(s). The rate of decomposition of C12H22O11 is 0.75 mol/min. What mass of C is produced in 10 seconds?
which of the following bonds is the most polar? a.H-C1 b.C-C1 c.H-H d.N-F
In the reaction Mg(OH)2 + 2HCl → MgCl2 + 2H2 O, you were given 15
grams of Mg(OH)2 and 25 grams of HCl. Which of the two reactants is the
limiting reagent? How much MgCl2 will be produced in the reaction? (Mg(OH)2
= 58.32 g/mol, HCl = 36.46 g/mol, MgCl2
= 95.32 g/mol)
arrange the following compounds (h2o h2s br2 nacl) in increasing boiling points, melting points, surface tension, vapor pressure, viscosity
Calculate K for the reaction :
2A + B <----> C + D
If at equilibrium, A = 0.4 mols/liter, mols/liter, B = 0.5 mols per liter. C = 0.3 mols per liter, and D = 0.8 mols per liter.
What types of element are involved in ionic bonding
Calculate the hydroxide ion concentration at 25 in a solution whose pH is 5.78. (kW=1*10_14moldm at25)