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Acetylenegas, C2H2 can be produced by the reaction of calcium carbide and water.
CaC2(s) +2H2O (l)→ C2H2(g) +Ca(OH)2(aq)
Explain how many liters of acetylene at 742 mm Hg and 26°C can be produced from 2.54 gCaC2(s)?
What is the pOH of a solution that is prepared by mixing 25.0 mL of 0.200 M HNO3 and 25.0 mL of 0.150 M KOH
Draw the Lewis Structure for the ClF2+ion and AlF4-. For each ion, what are its electron-pair and molecular geometries? What orbitals on Cl and F overlap to form bonds between these elements
the specific heat capacity of liquid mercury is 0.14jg-k. how many joules of heat are needed to raise the temperature
Can SO2 be maintained a liquid under a pressure of 100atm at 0 C. Can liquid methane be obtained under the same conditions.
Suppose the burning of magnesium becomes uncontrolled (it burns brightly). How will this procedural error affect the reported mole ratio of oxygen to magnesium in the analysis
What are the empirical formula and the molecular formula of the compound.
water in an open beaker evaporates over time. as the water is evaporatingis the vapor pressure increasing decreasing or
Initially a mixture contains 0.601 mol each of N2 and O2 in an 7.65-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C. N2(g) + O2(g) 2 NO(g)
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq). (a) before addition of any HCl
For each of the reactions shown, calculate the mass (in grams) of the product formed when 2.9 of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
The average concentration of bromide ion in sea water is 65 mg of bromide per kg of sea water. What is the bromide molarity if the density of seawater is 1.025 g/ml
Then 10.00ml of this solution is diluted further to 100ml. What is the molarity of this last solution?
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