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Question about Reactions
Complete the following equations in molecular form. The reactant coefficients are correct. Indicate precipitation, redox, or acid – base. Write the equations in NET ionic form (no spectator s). Balance charges and use the correct suffixes.
cold solution
Cl2(g) + 2NaOH(aq) -------------- >
Pb(NO3)2(aq) + 2KBr(aq) ------------ >
KH2PO4(aq) + KOH(aq) ------------ >
2CH3NH2(aq) + H2SO3(aq) ---------- >
CuSO4(aq) + Mg(s) --------------- >
Complete and balance the following neutralization (acid-base) reactions in molecular (full formula) form.
HCl(aq) + HONH2(aq) < =========== >
Suppose you want to produce 1L of 3.50M aqueous solution of H2SO4. How many grams of solute are needed to make this solution.
Determine ?H for the formation of one mole of aluminium(III) oxide, Al2O3(s) from the elements?
The piece of iron with a mass 102.9g was submerged in a graduated cylinder filled with water. The initial level of water was 20.0 ml. The density of iron is 7.86 g/ml.
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
what is the molar mass of a gas that has a density of 1.02g/L at 0.990 atm pressure and 37 o C
To determine the molecular formula of a compound - gas was mixed with calcium chloride solution,
Determine the mass of sodium phosphate that yields 1.00 g of calcium phosphate precipitate.
3H2 + N2 -> 2NH3. At 200 degrees C in a closed container, 1.00atm of nitrogen gas is mixed with 2.00atm of hydrogen gas. At equilibrium, the total partial pressure is 2.00atm.
Consider the following thermochemical equation: CH4(g) + I2(g) --> CH3I(g) + HI(g) Enthalpy Value = +23 kJ
32.5 kJ/mol°GD Muscles are powered by the hydrolysis of Adenosine tri phosphate determine Keq for this reaction
Compute the value of ΔH ° if the combustion products are CO2 (g) and H2O (g). it isgiven that: CO 2 (g) = ΔHf ° - 393.5 kJmol-1; H 2 O (l) = ΔHf ° -285.8 kJmol-1; H 2 O (g) = ΔHf ° -241.8 kJmol -1.
A 6.50 x 10^-5 M solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm.
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