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Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are...
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b) How many moles of H2 are produced in the reaction with 5.0 grams of water? 2. Sn + 2HF → SnF2 +H; a). How many grams of SnF2 are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
Please explain to me these last two queations :( P22. (Sec. 5.5) A 20.0 gram sample...
Please explain to me these last two queations :(
P22. (Sec. 5.5) A 20.0 gram sample of nitrous oxide gas, N20, and a 20.0 gram sample of sulfur dioxide gas, SO2, are placed inside a 4.25 L container at temperature of 25.0°C. What are the mole fractions for each gas inside the container? Hint: Total Pressure] & (R 0.0821 L atm /mol K) a) Mole Fraction (N20) -0.593 & Mole Fraction (SO2) 0.407 Mole Fraction (N20)-0.629 & Mole Fraction (SO2)...
Practice for test Al hade Think About It What is the percent composition of oxygen in...
Practice for test Al hade Think About It What is the percent composition of oxygen in sodium NA 1232 Bent composition of oxygen in sodium bromate> NATO, (1) 20 1 0- 1100 - 2 2. A certa24 for Pond is analyzed and found to have 12.0 g of C, 5g of H. and 64 g of O. What is its empirical If the molecular formula mas 495 /mol what is the molecular formala? 151 3. A hydrocarbon is to rocarbon...
all of our classes are online now and i have no idea HOW to do this....
all
of our classes are online now and i have no idea HOW to do this.
please explain with steps if you can. thank you!
Class Worksheet Chapter 98p16 (2) (Protected View) - Word out References Mailings Review View Help Tell me what you want to do Enable Editing the Internet can contain viruses. Unless you need to edit it's safer to stay in Protected View 2) How many moles of oxygen are required to burn 3.25 moles of butane...
I need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71 Documents Pearson Updad Assgrmerti Eimiting....
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
i just need the letter answers. no need to explain. MULTIPLE CHOICE. Choose the one alternative...
i
just need the letter answers. no need to explain.
MULTIPLE CHOICE. Choose the one alternative to 1) The reaction between strontium hydroxide and chloric acid produces A) two strong electrolytes B) a molecular compound and a weak electrolyte C) a molecular compound and a strong electrolyte D) two molecular compounds E) two weak electrolytes B - CE2 2) Which of the following are weak acids? A) HE, HB В) НЕ HL, HNO3, HB D) HI, HF E) none of...
Chem 101 Sec 14 Summer 2019 10. What coefficient is placed in front of O, to...
Chem 101 Sec 14 Summer 2019 10. What coefficient is placed in front of O, to balance the following equation for the combustion of propane? 6CO, + 8H:O O 2C3Hg + a. 6 b. 8 c. 10 d. 20 True or False? Any molecule with polar bonds will be a polar molecule... 11. 12. When writing the Lewis Dot structure for O2 (oxygen gas), how many valence electrons should you start with? a. 2 b. 6 c. 8 d. 12...
if you can't answer all ,please don't answer 1) of the reactions below, which one is...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
POGIL-Stoichiometry How do chemists use balanced chemical equations? got bit D 23 mosquitoes? 10 He got...
POGIL-Stoichiometry How do chemists use balanced chemical equations? got bit D 23 mosquitoes? 10 He got Mol-aria Why? Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or product is formed in a reaction. This is called Stoichiometry- (stoi-key-ah-meh-tree) Another way of looking at it is using the mole ratio from the balanced equation and information about one compound in the reaction to determine information about another compound in the equation. A mole ratio...
i uploaded everything that was given. Where would I find the experiemental values? Complete the calcula...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b) How many moles of H2 are produced in the reaction with 5.0 grams of water? 2. Sn + 2HF → SnF2 +H; a). How many grams of SnF2 are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
Please explain to me these last two queations :(
P22. (Sec. 5.5) A 20.0 gram sample of nitrous oxide gas, N20, and a 20.0 gram sample of sulfur dioxide gas, SO2, are placed inside a 4.25 L container at temperature of 25.0°C. What are the mole fractions for each gas inside the container? Hint: Total Pressure] & (R 0.0821 L atm /mol K) a) Mole Fraction (N20) -0.593 & Mole Fraction (SO2) 0.407 Mole Fraction (N20)-0.629 & Mole Fraction (SO2)...
Practice for test Al hade Think About It What is the percent composition of oxygen in sodium NA 1232 Bent composition of oxygen in sodium bromate> NATO, (1) 20 1 0- 1100 - 2 2. A certa24 for Pond is analyzed and found to have 12.0 g of C, 5g of H. and 64 g of O. What is its empirical If the molecular formula mas 495 /mol what is the molecular formala? 151 3. A hydrocarbon is to rocarbon...
all
of our classes are online now and i have no idea HOW to do this.
please explain with steps if you can. thank you!
Class Worksheet Chapter 98p16 (2) (Protected View) - Word out References Mailings Review View Help Tell me what you want to do Enable Editing the Internet can contain viruses. Unless you need to edit it's safer to stay in Protected View 2) How many moles of oxygen are required to burn 3.25 moles of butane...
I
need help figuring out #5.35, 5.37, 5.45, 5.57, and 5.71
Documents Pearson Updad Assgrmerti Eimiting. Nos |UNC 217 A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the strato sphere (about 30 km above the surface of Earth), where the temperature and pressure are -23°C and 3.00 x 10 atm, respectively. Calculate the final volume of the balloon 5.35 The temperature of 2.5 L of a gas initially at...
i
just need the letter answers. no need to explain.
MULTIPLE CHOICE. Choose the one alternative to 1) The reaction between strontium hydroxide and chloric acid produces A) two strong electrolytes B) a molecular compound and a weak electrolyte C) a molecular compound and a strong electrolyte D) two molecular compounds E) two weak electrolytes B - CE2 2) Which of the following are weak acids? A) HE, HB В) НЕ HL, HNO3, HB D) HI, HF E) none of...
Chem 101 Sec 14 Summer 2019 10. What coefficient is placed in front of O, to balance the following equation for the combustion of propane? 6CO, + 8H:O O 2C3Hg + a. 6 b. 8 c. 10 d. 20 True or False? Any molecule with polar bonds will be a polar molecule... 11. 12. When writing the Lewis Dot structure for O2 (oxygen gas), how many valence electrons should you start with? a. 2 b. 6 c. 8 d. 12...
if you can't answer all ,please don't answer
1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
POGIL-Stoichiometry How do chemists use balanced chemical equations? got bit D 23 mosquitoes? 10 He got Mol-aria Why? Chemists use balanced chemical equations as a basis to calculate how much reactant is needed or product is formed in a reaction. This is called Stoichiometry- (stoi-key-ah-meh-tree) Another way of looking at it is using the mole ratio from the balanced equation and information about one compound in the reaction to determine information about another compound in the equation. A mole ratio...
i
uploaded everything that was given. Where would I find the
experiemental values?
Complete the calculation summary below. READ THE EXPERIMENTAL DISCUSSION FIRST! REPORT ALL ANSWERS TO THE CORRECT SIGNIFICANT FIGURES. SHOW CALCULATION SET-UP on the next page. PART B: Molarity Determination via Solution Stoichiometry 7.625 g Mass of Empty 50 mL Beaker 7.976 g Mass of Beaker and NaCl (final heating) Mass of NaCl Produced (Experimental Yield of NaCl) moles Moles of Na,CO, Consumed 0.00500 Liter Volume of Na,CO,...
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