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Based on the stoichiometry, at what point does the limiting reactant change? show calculations to support your answer.
The volume of acid HCL (10mL) is constant and mass of metal Mg (0.250g) is constant.
Concentration of HCl Volume of Gas
0.5 M 85 mL
1.0 M 118 mL
1.5 M 181 mL
2.0 M 241 mL
2.5 M 284 mL
3.0 M 255 mL
3.5 M 320 mL
4.0 M 310 mL
After the addition of the ammonium ion to a dilute solution of ammonia containing phenolphtalein it became much paler. Please explain why with LeChatelier principles.
Find the molecular, ionic, and net ionic equations for the following. Underline all solids. If no reaction occurs, complete the molecular and ionic equations, but wrtie "no reaction" in place of the net ionic equation.
Calculate the work done in joules by the reaction when 0.21 g of Na reacts with water to form hydrogen gas at 1°C and 3.0 atm in an open container.
Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.450 atm and 22°C, and 164 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced
What would be the percent by mass of NaI solution prepared by dissolving 95 g NaI in 450 g water?
The pKa of acetic acid, HC2H3O2, is 4.76. A buffer solution was made using an unspecified amount of acetic acid and 0.30 mol of NaC2H3O2 in enough water to make 1.50 L of solution.
If the reaction 4NH3 + 5O2 yeilds 4NO + 6H2O uses 824 g NH3 and excess oxygen, how many moles of NO are formed?
Calculate deltaG for this reaction at 298K in kJ. What can be said about the spontaneity of the reaction at 298K? (1) spontaneous in the reverse direction
A company produces vinegar products and discharges between 50,000 and 200,000 gallons per day (131 to 525 L / min) of a liquid waste stream that contains only acetic acid at a concentration of 80 mg/L.
how to calculate mole fractions of two sustances given their weight percentages ,grams
Determine how do you find out the new freezing point of a solution if given the formula is Delta T = m x kf x i but how do you find it how does it work?
Nicotine is a poisonous, addictive compound found in tobacco. A sample of nicotine contains 6.16 mmol C, 8.56 mmol H, and 1.23 mmol N ( mmol = millimol = 10-3 mol).
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