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Glucose Clos metabolized in living systems according to the reaction C, H, O (8) + 60...
In photosynthesis, green plants convert carbon dioxide and water into glucose (C&H 208) according to the...
In photosynthesis, green plants convert carbon dioxide and water into glucose (C&H 208) according to the following equation: 6CO,(9) + 6H2O(l) + 678 kcal C6H12O.(aq) +602(g) Correct Part B What is the value of AH for the reaction? AEP O ? AH- kcal Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part C What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.80 x 1015 H...
Part C What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.80 x 1015 Hz ? Express your answer in joules to three significant figures. View Available Hint(s) O AED O ? KE = 3.72 • 10-19 Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining
An L-R-C circuit has an inductance of 0.460 H. a capacitance of 2.90x10-5F, and a resistance...
An L-R-C circuit has an inductance of 0.460 H. a capacitance of 2.90x10-5F, and a resistance of Ras shown in (Figure 1). Part A What is the angular frequency of the circuit when R=0? Express your answer in radians per second. View Available Hint(s) Η ΑΣΦ t o ? 301 radis Submit Previous Answers X Incorrect; Try Again; 29 attempts remaining Part B Figure 1 of 1 What value must have to give a decrease in angular frequency of 11.0...
Part A (acidic) HfO2 (s) → Hf(s) Express your answer as a half-reaction including electrons and phases. AJO O ? Submit...
Part A (acidic) HfO2 (s) → Hf(s) Express your answer as a half-reaction including electrons and phases. AJO O ? Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B (basic) Ni(OH)2 (s) → Ni2O3 (s) Express your answer as a half-reaction including electrons and phases. Part C (acidic) NO3 - (aq) + NO2 (g) Express your answer as a half-reaction including electrons and phases. = AED P ? NO2 (aq) + 2H+ (aq) + e...
need A & C Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its den...
need A & C
Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its density is 998 kg/m?) Express your answer in meters cubed. 10 AED O ? 24.11 Submit Previous Answers Request Answer * Incorrect; Try Again: 4 attempts remaining Part B Calculate the volume occupied by 1 32 mol of steam at 200 "C. Assume the steam is at atmospheric pressure and can be treated as an ideal...
AgC,H,O, (aq) + BaCl(aq) → Express your answer as a chemical equation. Identify all of the...
AgC,H,O, (aq) + BaCl(aq) → Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if there is no reaction. - AED ROO? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B BaCl(aq) + K, CO3(aq) → Express your answer as a chemical equation. Identity all of the phases in your answer. Enter normation if there is no reaction. ΑΣΦ 6 * Ο ?
Part C How many grams of H, are needed to produce 13.93 g of NH3? Express...
Part C How many grams of H, are needed to produce 13.93 g of NH3? Express your answer numerically in grams. View Available Hint(s) IVO AQ * O 2 ? g H2 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part D How many molecules (not moles) of NH3 are produced from 7.02x10-4 g of H2? Express your answer numerically as the number of molecules. ► View Available Hint(s) VO AQ R o 2 ? |
The value of Ka for nitrous acid (HNO2) at 25 ∘C is 4.5×10−4. Part D What...
The value of Ka for nitrous acid (HNO2) at 25 ∘C is
4.5×10−4.
Part D What is the value of AG when [H+] = 5.8 x 10-2M, [NOą] =6.4 x 10-4 M and (HNO2] = 0.21 M ? Express your answer using three significant figure. IVO AED A o 2 ? AG = Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Recall that AG = AGº + RTinQ, where R is the gas constant, T is...
Part A Ozone is decomposed according to the following reaction: 0319) + Olg) 2 019 The...
Part A Ozone is decomposed according to the following reaction: 0319) + Olg) 2 019 The mechanism proposed for the decomposilon olozone is given below: Step 1 ci(g) + (8)= 0,(8) + Clo(8) Step 2 CO(g) + O(g) +0(8) + CI(g) Is there a catalyst? If so, identify the catalyst? Show the outline of your reasoning in identifying the catalyst. Enter the chemical formula. ΑΣΦ Submit Previous Answera Resuel Answer X Incorrect; Try Again; 3 attempts remaining Part B Is...
Part G Calculate AH for the following reaction: CH3OH(1) +O2(g) + HCOH(1) +H2O(1) Express the enthalpy...
Part G Calculate AH for the following reaction: CH3OH(1) +O2(g) + HCOH(1) +H2O(1) Express the enthalpy in kilojoules to one decimal place. AC O O ? AH = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part 1 Calculate AS for the following reaction: CHOH(1) +O2(g) + HCO-H1) +H2O(1) Express the entropy in joules per kelvin to one decimal place. IVO AED ROO? J/K AS = Submit Request Answer Part 1 From the values of AH°...
In photosynthesis, green plants convert carbon dioxide and water into glucose (C&H 208) according to the following equation: 6CO,(9) + 6H2O(l) + 678 kcal C6H12O.(aq) +602(g) Correct Part B What is the value of AH for the reaction? AEP O ? AH- kcal Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
Part C What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.80 x 1015 Hz ? Express your answer in joules to three significant figures. View Available Hint(s) O AED O ? KE = 3.72 • 10-19 Submit Previous Answers X Incorrect; Try Again; 3 attempts remaining
An L-R-C circuit has an inductance of 0.460 H. a capacitance of 2.90x10-5F, and a resistance of Ras shown in (Figure 1). Part A What is the angular frequency of the circuit when R=0? Express your answer in radians per second. View Available Hint(s) Η ΑΣΦ t o ? 301 radis Submit Previous Answers X Incorrect; Try Again; 29 attempts remaining Part B Figure 1 of 1 What value must have to give a decrease in angular frequency of 11.0...
Part A (acidic) HfO2 (s) → Hf(s) Express your answer as a half-reaction including electrons and phases. AJO O ? Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Part B (basic) Ni(OH)2 (s) → Ni2O3 (s) Express your answer as a half-reaction including electrons and phases. Part C (acidic) NO3 - (aq) + NO2 (g) Express your answer as a half-reaction including electrons and phases. = AED P ? NO2 (aq) + 2H+ (aq) + e...
need A & C
Part A Calculate the volume of 1.32 mol of liquid water at a temperature of 20 °C (at which its density is 998 kg/m?) Express your answer in meters cubed. 10 AED O ? 24.11 Submit Previous Answers Request Answer * Incorrect; Try Again: 4 attempts remaining Part B Calculate the volume occupied by 1 32 mol of steam at 200 "C. Assume the steam is at atmospheric pressure and can be treated as an ideal...
AgC,H,O, (aq) + BaCl(aq) → Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if there is no reaction. - AED ROO? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B BaCl(aq) + K, CO3(aq) → Express your answer as a chemical equation. Identity all of the phases in your answer. Enter normation if there is no reaction. ΑΣΦ 6 * Ο ?
Part C How many grams of H, are needed to produce 13.93 g of NH3? Express your answer numerically in grams. View Available Hint(s) IVO AQ * O 2 ? g H2 Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining Part D How many molecules (not moles) of NH3 are produced from 7.02x10-4 g of H2? Express your answer numerically as the number of molecules. ► View Available Hint(s) VO AQ R o 2 ? |
The value of Ka for nitrous acid (HNO2) at 25 ∘C is
4.5×10−4.
Part D What is the value of AG when [H+] = 5.8 x 10-2M, [NOą] =6.4 x 10-4 M and (HNO2] = 0.21 M ? Express your answer using three significant figure. IVO AED A o 2 ? AG = Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Recall that AG = AGº + RTinQ, where R is the gas constant, T is...
Part A Ozone is decomposed according to the following reaction: 0319) + Olg) 2 019 The mechanism proposed for the decomposilon olozone is given below: Step 1 ci(g) + (8)= 0,(8) + Clo(8) Step 2 CO(g) + O(g) +0(8) + CI(g) Is there a catalyst? If so, identify the catalyst? Show the outline of your reasoning in identifying the catalyst. Enter the chemical formula. ΑΣΦ Submit Previous Answera Resuel Answer X Incorrect; Try Again; 3 attempts remaining Part B Is...
Part G Calculate AH for the following reaction: CH3OH(1) +O2(g) + HCOH(1) +H2O(1) Express the enthalpy in kilojoules to one decimal place. AC O O ? AH = Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part 1 Calculate AS for the following reaction: CHOH(1) +O2(g) + HCO-H1) +H2O(1) Express the entropy in joules per kelvin to one decimal place. IVO AED ROO? J/K AS = Submit Request Answer Part 1 From the values of AH°...
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