If 0.130 mol of solid Al2S3 and 12.8 mL of liquid H2O are reacted stoichiometrically according to the balanced equation, how many moles of solid Al2S3remain?Al2S3(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2S(g) Molar Mass (g/mol) Al2S3 150.16 H2O 18.015 Density (g/mL)     H2O 0.9982 Molar Volume (L) 22.4 at STP Gas Constant 0.0821

Suppose a 250. mL flask is filled with 0.20 mol of H₂S, 1.1 mol of CS2 and 1.2 mol of H₂. This reaction becomes possible: CH₂(g) + 2H₂S (g) = CS₂(g) + 4H₂(g) Complete the table below, so that it lists the initial molarity of each compound, the change in molarity of each compound due to the reaction, and the equilibrium molarity of each compound after the reaction has come to equilibrium. Use x to stand for the unknown change in the molarity of CH4. You can leave out the M symbol for molarity. initial change equilibrium CH4 X H₂S 0 CS2 0 H₂ 0 X S

According to the following reaction, how many moles of hydrofluoric acid will be formed upon the complete reaction of 0.823 moles silicon tetrafluoride with excess water? SiF2(s)+2H2O(l) ----> 4HF(aq)+SiO2(s)

According to the balanced reaction below, calculate the quantity of moles of NH3 gas that form when 4.20 mol of N2H. liquid completely reacts: 3 N2H4(1) → 4 NH3(g) + N2(g) X STARTING AMOUNT

According to the following reaction, how many grams of water are produced in the complete reaction of 26.4 grams of nitrogen monoxide? 2NO(g)+2H2(g)---->N2(g)+2H2O(l) ____grams of H2O

O 000 How many grams of HCl can react with 0.750 g of Al(OH)3 according the following balanced equation? Molar masses: Al(OH)3= 78.01 g, AICI3= 133.33 g, HCI= 36.46 g Al(OH)3(s) + 3 HCI (aq) --> AICI3(aq) + 3 H2O 3.85 g 1.05 g 0.0288 g 1.32 g

3. How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3 is 101.11 g/mol. 4 KNO3(s) → 2 K2O(s) + 2 N2(g) + 5 O2(g)

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below. 2NaCIO3 --> 2NaCl +30₂ How many grams of NaClO3 were needed to produce 1 grams of O₂? Round your answer to the nearest whole number. Round your answer to the whole number. If you answer is a whole number like 4, report the answer as 4.0 Use the following molar masses. If you do not use these masses, the computer will mark your answer incorrect.: Molar Element Mass Sodium 23 Chlorine 35.5 Copper 63.5 Oxygen 16

Suppose a 250. mL flask is filled with 0.80 mol of CH4, 1.6 mol of H2S and 1.0 mol of H₂. This reaction becomes possible: CH4(g)+2H2S(g) CS2(g) +4H2(g) Complete the table below, so that it lists the initial molarity of each compound, the change in molarity of each compound due to the reaction, and the equilibrium molarity of each compound after the reaction has come to equilibrium. Use x to stand for the unknown change in the molarity of CS2. You can leave out the M symbol for molarity. initial change equilibrium CH H,S CS2 H₂ U X Fraction

Sodium and water react according to the equation 2Na(s)+ 2H2O(l) → 2NaOH(aq) + H2(g) What number of moles of H2 will be produced when 4.0 mol Na is added to 2.0 mol H2O?