General Chemistry Answers

For the following reaction, 4.41 grams of hydrogen gas are allowed to react with 39.8 grams of iodine .

hydrogen(g) + iodine(s)  hydrogen iodide(g)

What is the maximum mass of hydrogen iodide that can be formed?  grams

What is the FORMULA for the limiting reagent?

What mass of the excess reagent remains after the reaction is complete?  grams

calculate the new freezing point of water when 72.0 g of BaCl2 are added to 0.175 kg of water

Calculate the mole fraction of solute in the aqueous solution of 13% C₂H₅OH.

What volume did a helium-filled balloon have at 26.8 °C and 1.87 atm if its new volume was 63.2 mL at 2.22 atm and 9.6°C? O a. 79.6 O b. 209 O c. 70.7 O d. 56.5

Application of Charles’ Law can be seen as one flies in a hot air balloon, when heated, causes the air to expand; thus, becomes lighter and so it rises. Which of the following is another application of Charles’ Law?

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1 point

AgF(aq) + Fe(CO3)3(aq)

Which compound when dissolved in water will turn blue litmus paper red?

a. H2O (l)

b. BaCI2 (aq)

c. HClO (aq)

d. NH4OH (aq)

Calcium carbide (CaC2) reacts with water to produce acetylene (C2H2) and calcium hydroxide. If 5.50 mol calcium carbide reacts with an excess of water, how many moles of acetylene will be produced?

How do you get the volume of HCl and Volume of gas in a flask using a mass HCl of 53.23 g and Density HCl of 1.05 g/mL

What is the oxidation number nitrogen in PB(NO₃)₂