Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
+iodine 1- Calculate the % yield when you react 20mg of KBrO, and produce 5 mg...
1.- Calculate the % yield when you react 20mg of KBrO3 and produce 5 mg of...
1.- Calculate the % yield when you react 20mg of KBrO3 and produce 5 mg of KBr, assume all other reagents are in excess. Balance the equation, Indicate the reactants and the products. (KBrO: Molecular mass: 166.999 g/mol, KBr Molecular mass: 119.002 g/mol) KBrO; + KI + HBr → KBr + H2O a) If you start the reaction with 20mg of KBro; and 20mg of Kl (molecular mass=166.0028 g/mol) with an excess of HBr what is the limiting reagent? b)...
Lean 1 Learning Objective: 7J Distinguish between actual and theoretical yield to calculate percent yield Question...
Lean 1 Learning Objective: 7J Distinguish between actual and theoretical yield to calculate percent yield Question A0.156 g piece of solid aluminum reacts with gaseous oxygen from the atmosphere to form solid aluminum oxide. In the laboratory, a student weighs the mass of the aluminum oxide collected from this reaction as 0.1798- 1st attempt Part 1 See Periodic Table The 0.156 g solid aluminum is the Choose one: A theoretical yield B. excess reagent C. percent yield D. actual yield...
PLEASE SOLVE CLEARLY CHEM 2102 Test 1 Fal1 2014 Time allowed: 1 hr 15 min 15)...
PLEASE SOLVE CLEARLY
CHEM 2102 Test 1 Fal1 2014 Time allowed: 1 hr 15 min 15) In the gas phase, nitrogen honoxide reacts with ozone to produce nitrogen dioxide and oxygen. The reaction has an activation energy of 10 ki/mol and is exothermic by 200 kJ/mol. sketch (approximately to scale) the potential energy diagram for the reverse reaction No,(g) + O2(g) →O,(g) + NO(g) On your diagram label: reactants, products, transition state, E E, and ΔHo and AH Give the...
What is the mole of magnesium, ?️H per mol of MgO, ?️H per 1 mole Mg?...
What is the mole of magnesium, ?️H per mol of MgO, ?️H
per 1 mole Mg?
Part 2: Hydrochloric Acid + Magnesium The strategy for these calculations are similar to those in Part 1. In Part 2, magnesium reagent. Calculations Sheet Thermochemistry 2 II. In Part 2, magnesium is the limiting Volume of hydrochloric acid solution Density of hydrochloric acid solution 75.0 mL Mass of hydrochloric acid solution (d-m/V) Specific heat capacity of hydrochloric acid solution Change in temperature for...
llevul Daly IUI CALIVIU7 Visualizing Limiting Reagents Model 1 - A Particulate Model of a Chemical Reaction The image b...
llevul Daly IUI CALIVIU7 Visualizing Limiting Reagents Model 1 - A Particulate Model of a Chemical Reaction The image below shows a particulate model of a chemical reaction. Each shape represents a single atom, and atoms that are touching each other represent a covalent (molecular) compound. O 1. Write a balanced equation for the reaction shown in the particulate model. a. In 1-2 sentences, explain why the following is not the best chemical equation to describe this reaction: 30+8A →30...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
6. Calcium oxide reacts with nitric acid to produce calcium nitrate and water. How many grams...
6. Calcium oxide reacts with nitric acid to produce calcium nitrate and water. How many grams of calcium oxide are required for complete reaction with 30.0 mL of 0.587 M nitric acid? The molar mass of calcium oxide is 56.077 g/mol. (Hint: start by writing the balanced equation for the reaction.) 7. A sample contains an unknown amount of succinic acid, H2CHO. If 0.3540 g of the sample requires 42.70 mL of 0.1000 M NaOH to neutralize the H2C,H404 completely,...
PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the...
PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the Denniston book for the molar mass calculations (at least 2 decimal places). Part 1. 1. What is the molar mass of Nicotin? (hint: determine the molecular formula first) 2. Based on what you learned in Ch3, what do you predict about nicotine and the solubility in water? 3. Calculate how many grams there are in 0.74 mol Ala(504) 4. The mass of 1.63 x102...
E) Mg?"(aq) + 2 NO, (aq) —> Mg(NO)>(s) 8. When solid ammonium nitrate (NH.NOs) dissolves in...
E) Mg?"(aq) + 2 NO, (aq) —> Mg(NO)>(s) 8. When solid ammonium nitrate (NH.NOs) dissolves in water, the process is endothermic, with AH solution = +25.69 kJ/mol. (This reaction has been used in commercial cold packs.) If 5,60 8 NH.NO, is dissolved in 100.0 g of water at 22.0° C, what is the final temperature of the solution? The mass of the solution is 105.6 g (100.0 8 +5,60 g = 105.68) and its specific heat capacity is 4.18 J/(8-K)....
In one experiment you reacted 45.7 g of Aluminum with 182.8 g of Iron (III) oxide...
In one experiment you reacted 45.7 g of Aluminum with 182.8 g of Iron (III) oxide to produce Aluminum Oxide and Elemental iron (not diatomic). (10 pts each) a) Write and balance the chemical formula, What type of reaction was it? b) Identify the chemical that is being reduced? c) How many mols of Iron(lll) oxide do you have? d) which is the limiting reagent? e) How many grams of Aluminum Oxide did you produced? f) What would be your...
1.- Calculate the % yield when you react 20mg of KBrO3 and produce 5 mg of KBr, assume all other reagents are in excess. Balance the equation, Indicate the reactants and the products. (KBrO: Molecular mass: 166.999 g/mol, KBr Molecular mass: 119.002 g/mol) KBrO; + KI + HBr → KBr + H2O a) If you start the reaction with 20mg of KBro; and 20mg of Kl (molecular mass=166.0028 g/mol) with an excess of HBr what is the limiting reagent? b)...
Lean 1 Learning Objective: 7J Distinguish between actual and theoretical yield to calculate percent yield Question A0.156 g piece of solid aluminum reacts with gaseous oxygen from the atmosphere to form solid aluminum oxide. In the laboratory, a student weighs the mass of the aluminum oxide collected from this reaction as 0.1798- 1st attempt Part 1 See Periodic Table The 0.156 g solid aluminum is the Choose one: A theoretical yield B. excess reagent C. percent yield D. actual yield...
PLEASE SOLVE CLEARLY
CHEM 2102 Test 1 Fal1 2014 Time allowed: 1 hr 15 min 15) In the gas phase, nitrogen honoxide reacts with ozone to produce nitrogen dioxide and oxygen. The reaction has an activation energy of 10 ki/mol and is exothermic by 200 kJ/mol. sketch (approximately to scale) the potential energy diagram for the reverse reaction No,(g) + O2(g) →O,(g) + NO(g) On your diagram label: reactants, products, transition state, E E, and ΔHo and AH Give the...
What is the mole of magnesium, ?️H per mol of MgO, ?️H
per 1 mole Mg?
Part 2: Hydrochloric Acid + Magnesium The strategy for these calculations are similar to those in Part 1. In Part 2, magnesium reagent. Calculations Sheet Thermochemistry 2 II. In Part 2, magnesium is the limiting Volume of hydrochloric acid solution Density of hydrochloric acid solution 75.0 mL Mass of hydrochloric acid solution (d-m/V) Specific heat capacity of hydrochloric acid solution Change in temperature for...
llevul Daly IUI CALIVIU7 Visualizing Limiting Reagents Model 1 - A Particulate Model of a Chemical Reaction The image below shows a particulate model of a chemical reaction. Each shape represents a single atom, and atoms that are touching each other represent a covalent (molecular) compound. O 1. Write a balanced equation for the reaction shown in the particulate model. a. In 1-2 sentences, explain why the following is not the best chemical equation to describe this reaction: 30+8A →30...
Homework Thermochemistry Name: 1. Calculate the mass of O that is produced by photosynthesis when 2.49 x 109 kJ of solar energy is consumed by the following reaction: 6 H20 (1) + 6 CO2 (g) - C&H 20(s) + 6 02 (g) ; AH-2803 kJ 2. Given the following thermochemical equation, what amount of energy is absorbed/given off when 255 g of CuO is reacted. 2 Cu20 (s) - 4 Cu (s) + O2(g) : AH = 333.8 kJ 3....
6. Calcium oxide reacts with nitric acid to produce calcium nitrate and water. How many grams of calcium oxide are required for complete reaction with 30.0 mL of 0.587 M nitric acid? The molar mass of calcium oxide is 56.077 g/mol. (Hint: start by writing the balanced equation for the reaction.) 7. A sample contains an unknown amount of succinic acid, H2CHO. If 0.3540 g of the sample requires 42.70 mL of 0.1000 M NaOH to neutralize the H2C,H404 completely,...
PO9Recitation HW Complete the following questions in your lab notebook! Use the periodic table of the Denniston book for the molar mass calculations (at least 2 decimal places). Part 1. 1. What is the molar mass of Nicotin? (hint: determine the molecular formula first) 2. Based on what you learned in Ch3, what do you predict about nicotine and the solubility in water? 3. Calculate how many grams there are in 0.74 mol Ala(504) 4. The mass of 1.63 x102...
E) Mg?"(aq) + 2 NO, (aq) —> Mg(NO)>(s) 8. When solid ammonium nitrate (NH.NOs) dissolves in water, the process is endothermic, with AH solution = +25.69 kJ/mol. (This reaction has been used in commercial cold packs.) If 5,60 8 NH.NO, is dissolved in 100.0 g of water at 22.0° C, what is the final temperature of the solution? The mass of the solution is 105.6 g (100.0 8 +5,60 g = 105.68) and its specific heat capacity is 4.18 J/(8-K)....
In one experiment you reacted 45.7 g of Aluminum with 182.8 g of Iron (III) oxide to produce Aluminum Oxide and Elemental iron (not diatomic). (10 pts each) a) Write and balance the chemical formula, What type of reaction was it? b) Identify the chemical that is being reduced? c) How many mols of Iron(lll) oxide do you have? d) which is the limiting reagent? e) How many grams of Aluminum Oxide did you produced? f) What would be your...
Most questions answered within 3 hours.
-
Angel Corporation has $10,000,000 of
8.0% 25 year bonds dated May 1, 2018 with interest payable...
asked 25 seconds ago -
7.
________ involves individuals trading goods they already have or
providing services in exchange for something...
asked 4 minutes ago -
Share your research problem. What databases did you search as
you gathered evidence to support your...
asked 4 minutes ago -
what process occurs to form microspores and megaspores in flowering
plants?
asked 12 minutes ago -
C++
I need to use the function getData to put in all my data using
arrays....
asked 11 minutes ago -
A block is hung by a string from the inside roof of a van. When
the...
asked 18 minutes ago -
Do you think companies should not go for long term debt in their
capital structure to...
asked 27 minutes ago -
I create an address book where the user enters the name, phone
and email in the...
asked 33 minutes ago -
The production capacity for acrylonitrile
(C3H3N) in the United States exceeds 2
million pounds per year....
asked 40 minutes ago -
explain and comment out your answer
43. How many address lines are required to address a...
asked 47 minutes ago -
A sample of 45 observations is selected from a normal
population. The sample mean is 49,...
asked 1 hour ago -
A construction company is planning to bid on a building
contract. The bid costs the company...
asked 59 minutes ago