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For a chemical reaction the rate of the forward reaction...
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium...
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 3.48% none of these answers 2.86% 2.78% The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3 g and 75.4 g, respectively. What would be the correct terms to describe solutions of 20 g Cu(SO4) in 100 mL water at 0 °C and 100 °C? saturated and saturated, respectively saturated and...
A solution consists of three or more solutes dissolved in a solvent. True False The percentage...
A solution consists of three or more solutes dissolved in a solvent. True False The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 2.78% 3.48% 2.86% none of these answers What volume of concentrated sulfuric acid (18 M) is required to obtain 5.19 mole of the acid? some of these answers 0.29 L 290 mL 93.4 mL 3.45 L The solubility of copper (II) sulfate (g/100...
Equilibrium is reached in chemical reactions when: Oa. All chemical reactions stop. Ob. The forward reaction...
Equilibrium is reached in chemical reactions when: Oa. All chemical reactions stop. Ob. The forward reaction stops. c. The rates of the forward and reverse reactions become equal. d. The concentrations of reactants and products become equal. Oe. The temperature shows a sharp rise. Equilibrium is reached in chemical reactions when: Oa. All chemical reactions stop. Ob. The forward reaction stops. c. The rates of the forward and reverse reactions become equal. d. The concentrations of reactants and products become...
Which statements listed below can explain why a chemical reaction does not take place? concentration of...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same rate. The concentrations of the different compounds in the reactions will remain constant. The relationship between the concentrations of the reactants and products is expressed as the equilibrium constant, K.. Part A Balance this equation, and then enter the coefficients, in order, below. CCl,(g) + O2(g) = COCl (g) - Cl (8) Express your answer as integers separated by commas (e.g. 1, 2, 3,...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
3. Cerium (II) sulfate dissolves in water and releases heat (exothermic reaction). Ce2(SO4)(s)2 Ce (aq) +3...
3. Cerium (II) sulfate dissolves in water and releases heat (exothermic reaction). Ce2(SO4)(s)2 Ce (aq) +3 SO (aq) a. Write the word "heat" on the appropriate side of the equation above. b. What effect will heating a saturated solution of this salt have? C. What will happen to the equilibrium if more SO ions are added to the solution? d. What will happen if Ba2 ions are added to the solution, causing the SO, to precipitate? 4. Which of the...
need help Insert the missing coefficients to completely balance each chemical equation. equation...
need help
Insert the missing coefficients to completely balance each chemical equation. equation 1: S+6 HNO, H,SO, + NO, +H,0 equation 2: 3 Cu + 8 HNO, Cu(NO), + NO + H2O We were unable to transcribe this imageBalance the equations by inserting coefficients as needed. equation 1: Sb + Cl, — SbCl, equation 2: Mg, N, + HCI — MgCl, +NH, Select the equation that best describes the reaction. O A+B, AB O 4 A +8 B — 4AB,...
The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 3.48% none of these answers 2.86% 2.78% The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3 g and 75.4 g, respectively. What would be the correct terms to describe solutions of 20 g Cu(SO4) in 100 mL water at 0 °C and 100 °C? saturated and saturated, respectively saturated and...
A solution consists of three or more solutes dissolved in a solvent. True False The percentage composition by weight (w/w) of a solution made by dissolving 2.32 g of calcium chloride in 81.0 g of water is 2.78% 3.48% 2.86% none of these answers What volume of concentrated sulfuric acid (18 M) is required to obtain 5.19 mole of the acid? some of these answers 0.29 L 290 mL 93.4 mL 3.45 L The solubility of copper (II) sulfate (g/100...
Equilibrium is reached in chemical reactions when: Oa. All chemical reactions stop. Ob. The forward reaction stops. c. The rates of the forward and reverse reactions become equal. d. The concentrations of reactants and products become equal. Oe. The temperature shows a sharp rise. Equilibrium is reached in chemical reactions when: Oa. All chemical reactions stop. Ob. The forward reaction stops. c. The rates of the forward and reverse reactions become equal. d. The concentrations of reactants and products become...
Which statements listed below can explain why a chemical reaction does not take place? concentration of reactants is too low the temperature is too low not enough effective collisions are occurring some of these answers all of these answers For a chemical reaction the rate of the forward reaction is at a maximum when when the concentration of the reactants and products is the same a state of equilibrium is reached the reaction begins the concentration of products is greater...
Chemical Reactions For each reaction you observed, the names of the reactants and products are given below. You must: 1. Write the correct formula for each reactant and product. Balance each equation. 2. A. Combination reactions magnesium oxide 1. Magnesium + oxygen (unbalanced) Mg+ O, MgO sulfur dioxide 2. Sulfur + oxygen B. Analysis of the Copper Content of a Penny po zinc chloride + hydrogen zinc + hydrochloric acid HCI ZnCl, 1. (unbalanced) н, Zn + C. Single Replacement...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
When a chemical reaction is at equilibrium, the forward and reverse reactions occur at the same rate. The concentrations of the different compounds in the reactions will remain constant. The relationship between the concentrations of the reactants and products is expressed as the equilibrium constant, K.. Part A Balance this equation, and then enter the coefficients, in order, below. CCl,(g) + O2(g) = COCl (g) - Cl (8) Express your answer as integers separated by commas (e.g. 1, 2, 3,...
2) in a catalyzed chemical reaction, one function of a catalyst is to A) increase the number of successful reactant collisions. B) decrease the concentration of reactants. change the equilibrium concentrations of the products and react D) increase the energy given off during the reaction E) increase the temperature at which the reaction is carried out. 3) Refrigerating perishable foods affects biochemical reactions by A) increasing concentrations of antioxidants. B) removing bacteria. C) decreasing the rate of reactions affecting spoilage....
3. Cerium (II) sulfate dissolves in water and releases heat (exothermic reaction). Ce2(SO4)(s)2 Ce (aq) +3 SO (aq) a. Write the word "heat" on the appropriate side of the equation above. b. What effect will heating a saturated solution of this salt have? C. What will happen to the equilibrium if more SO ions are added to the solution? d. What will happen if Ba2 ions are added to the solution, causing the SO, to precipitate? 4. Which of the...
need help
Insert the missing coefficients to completely balance each chemical equation. equation 1: S+6 HNO, H,SO, + NO, +H,0 equation 2: 3 Cu + 8 HNO, Cu(NO), + NO + H2O We were unable to transcribe this imageBalance the equations by inserting coefficients as needed. equation 1: Sb + Cl, — SbCl, equation 2: Mg, N, + HCI — MgCl, +NH, Select the equation that best describes the reaction. O A+B, AB O 4 A +8 B — 4AB,...
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