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Question- The densities do sodium chromate and sodium hydroxide are 4.89g/mL and 0.99g/mL. Which has greater volume, 10g of sodium chromate or 10g of sodium hydroxide? What is the volume of each?
Explain each and every step in detail. I need proficient help in the above problems.
2I2 + N2H4 4HI + N2 a.How many grams of I2 are needed to react with 36.7 g of N2H4?
After calculating their boiling points, place the following aqueous solutions in order of highest boiling point to lowest boiling point. You must show all work in detail to receive credit: 0.1 m NaCl, 0.05 m Na2S, 0.08 m C6H12O6
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
The first-order decomposition of S2O6(g) to form SO3(g), has a half-life of 1.262 x 10-3 s at 45oC. How long will it take for 40% of a 0.34 M sample to decompose at 45oC
question a chem 216 student titrated 5.15 g of an unknown weak acid with 0.92m of naoh. equivalence point was found to
barium hydroxidedissolves as followsbaoh2s ---gt ba2aq 2oh-aqhow many moles of baoh2 are required to make 1.0l of
Oxalic acid, H2C2O4 has acid dissociation constants Ka1=5.9x10^-2 and Ka2=6.4x10^-5. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2C2O4
If 0.215 mole of calcium chloride is dissolved in 491.9 ml of water, how much will it change the temperature of water (FWt=18.02)? The delta H=-81.3 kJ/mole for CaCl2
State the balanced net equation for the reaction that takes place when 0.1 M solutions of potassium sulfide and chromium (III) chloride are mixed.
Explain a pressurized tank of helium gas initially at 9bar and 36 C is cooled until the pressure reaches 5bar. Define what is the final temperature of the gas
Find the correct mass balance equation for an aqueous solution of MnCl2 that ionizes to Mn2 , Cl-, MnCl , and MnOH.
What is the chemical formula for the compound formed between calcium and chlorine. What is the chemical formula for the compound formed between calcium and oxygen
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