Homework Answers
2 H3PO4 + 3 Ca(OH)2 -------> Ca3(PO4)2 + 6 H2O
Explanation: Reaction of H3PO4 with Ca(OH)2 produces a salt, Ca3(PO4)2 .
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What is the formula for the salt formed?
Previous Answers Correct Part B When the reaction...
4. When the following reaction occurs, what is the formula for the salt formed? H3PO4(aq)+Ca(OH)2(aq) →...
4. When the following reaction occurs, what is the formula for the salt formed? H3PO4(aq)+Ca(OH)2(aq) → 5. Express the oxidation state of the given atom numerically (e.g., +1). A. What is the oxidation state of an individual sulfur atom in MgSO4? B. What is the oxidation state of an individual nitrogen atom in NH,OH? C. What is the oxidation state of each individual carbon atom in C2022-? D. What is the oxidation state of an individual sulfur atom in SO32-?
Previous Answers Correct Part E Give the nuclear symbol for the isotope of potassium for which...
Previous Answers Correct Part E Give the nuclear symbol for the isotope of potassium for which A = 40? Enter the nuclear symbol for the isotope (e.g., 4He) View Available Hint(s) Ca Previous Answe X Incorrect; Try Again; 6 attempts remaining Provide Feedback
Write a balanced equation for the reaction (red spheres represent A atoms and ivory spheres represent...
Write a balanced equation for the reaction (red spheres
represent A atoms and ivory spheres represent B atoms).
Please complete part A. Thank you.
Conceptual Problem 9.36 The following reaction is exothermic. (Figure 1) Part A Write a balanced equation for the reaction (red spheres represent A atoms and ivory spheres represent B atoms). Express your answer as a chemical equation. - AEVRO? 6AB268) +3A2(g) +6B218) Submit Previous Answers Request Answer Figure X Incorrect; Try Again; 3 attempts remaining 1...
Consider this aqueous reaction. HNO,(a)+ Ba(OH) aq)> What is the formula for the salt that forms?
Consider this aqueous reaction. HNO,(a)+ Ba(OH) aq)> What is the formula for the salt that forms?
Problem 8.52 Write formula(s) for the product(s) formed when each of the following substances reacts with...
Problem 8.52 Write formula(s) for the product(s) formed when each of the following substances reacts with oxygen (O2). Correct Part B CH, OH Express your answers as chemical formulas separated by a comma. CH, OH + 20,00, +24,0 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
ch.19 answer each of them please Part A What mass of lead sulfate is formed in...
ch.19
answer each of them please
Part A What mass of lead sulfate is formed in a lead-acid storage battery when 1.12 g of Pb undergoes oxidation? IVO AQ ? Submit Request Answer Part A What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 29 A? Express your answer using two significant figures. VO AXO ? mo 8 Submit Request Answer Copper can be electroplated at the...
Part C Please show all of the steps Previous Answers Review I Constants 1 Periodic Correct...
Part C
Please show all of the steps
Previous Answers Review I Constants 1 Periodic Correct Part with a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 3.25x10° C of charge Express your answer to three significant figures and include the appropriate units. View Available Hint(s) WAO ? Value Submit Part D Identify the anode and cathode when plating an ironnal with inc View Available Hints) in...
Part B The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid...
Part B The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate: 2NH CI(8) + Ba(OH), 8H2O(s)2NH, (aq) + BaCl2(aq) + 10H2O(1) The AH for this reaction is 54.8 kJ. How much energy would be absorbed it 27.3 g of NHCl reacts? Express your answer numerically in kilojoules. View Available Hint(s) O AED O ? energy absorbed - Submit Request Answer
Part A What is the empirical formula of carbon sulfide? Express your answer as a chemical...
Part A What is the empirical formula of carbon sulfide? Express your answer as a chemical formula. View Available Hint(s) = AED – O P ? Submit Provide Feedback
Part A Review Which point, A or B, has a larger electric potential? (Figure 1) Previous Answers Correct Part B...
Part A Review Which point, A or B, has a larger electric potential? (Figure 1) Previous Answers Correct Part B What is the potential difterence between A and B? Assume that E- 1200V/m. Express your answer with the appropriate units. Figure 1 of 1 ar- 70 V B. 7 cm Previous Angwers Request Answer Submit Part A Review The metal spheres n (Figure 1) aro charged to ± 300 V Selact a plausible contour map of the potential, showing and...
4. When the following reaction occurs, what is the formula for the salt formed? H3PO4(aq)+Ca(OH)2(aq) → 5. Express the oxidation state of the given atom numerically (e.g., +1). A. What is the oxidation state of an individual sulfur atom in MgSO4? B. What is the oxidation state of an individual nitrogen atom in NH,OH? C. What is the oxidation state of each individual carbon atom in C2022-? D. What is the oxidation state of an individual sulfur atom in SO32-?
Previous Answers Correct Part E Give the nuclear symbol for the isotope of potassium for which A = 40? Enter the nuclear symbol for the isotope (e.g., 4He) View Available Hint(s) Ca Previous Answe X Incorrect; Try Again; 6 attempts remaining Provide Feedback
Write a balanced equation for the reaction (red spheres
represent A atoms and ivory spheres represent B atoms).
Please complete part A. Thank you.
Conceptual Problem 9.36 The following reaction is exothermic. (Figure 1) Part A Write a balanced equation for the reaction (red spheres represent A atoms and ivory spheres represent B atoms). Express your answer as a chemical equation. - AEVRO? 6AB268) +3A2(g) +6B218) Submit Previous Answers Request Answer Figure X Incorrect; Try Again; 3 attempts remaining 1...
Consider this aqueous reaction. HNO,(a)+ Ba(OH) aq)> What is the formula for the salt that forms?
Problem 8.52 Write formula(s) for the product(s) formed when each of the following substances reacts with oxygen (O2). Correct Part B CH, OH Express your answers as chemical formulas separated by a comma. CH, OH + 20,00, +24,0 Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining
ch.19
answer each of them please
Part A What mass of lead sulfate is formed in a lead-acid storage battery when 1.12 g of Pb undergoes oxidation? IVO AQ ? Submit Request Answer Part A What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 29 A? Express your answer using two significant figures. VO AXO ? mo 8 Submit Request Answer Copper can be electroplated at the...
Part C
Please show all of the steps
Previous Answers Review I Constants 1 Periodic Correct Part with a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 3.25x10° C of charge Express your answer to three significant figures and include the appropriate units. View Available Hint(s) WAO ? Value Submit Part D Identify the anode and cathode when plating an ironnal with inc View Available Hints) in...
Part B The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate: 2NH CI(8) + Ba(OH), 8H2O(s)2NH, (aq) + BaCl2(aq) + 10H2O(1) The AH for this reaction is 54.8 kJ. How much energy would be absorbed it 27.3 g of NHCl reacts? Express your answer numerically in kilojoules. View Available Hint(s) O AED O ? energy absorbed - Submit Request Answer
Part A What is the empirical formula of carbon sulfide? Express your answer as a chemical formula. View Available Hint(s) = AED – O P ? Submit Provide Feedback
Part A Review Which point, A or B, has a larger electric potential? (Figure 1) Previous Answers Correct Part B What is the potential difterence between A and B? Assume that E- 1200V/m. Express your answer with the appropriate units. Figure 1 of 1 ar- 70 V B. 7 cm Previous Angwers Request Answer Submit Part A Review The metal spheres n (Figure 1) aro charged to ± 300 V Selact a plausible contour map of the potential, showing and...
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