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A solution consists of three or more solutes dissolved in a solvent. True False The percentage...
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...
help with both please thank you For a chemical reaction the rate of the forward reaction...
help with both please thank
you
For a chemical reaction the rate of the forward reaction is at a maximum when a state of equilibrium is reached the concentration of products is greater than the concentration of the reactants the reaction begins when the concentration of the reactants and products is the same The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3g and 75.4 g, respectively. What would be the correct terms to...
The solubility of lead (II) bromide (g/100 g water) at 50 °C and 100 °C is,...
The solubility of lead (II) bromide (g/100 g water) at 50 °C and 100 °C is, 1.94 g, and 4.75 g. respectively. What would be the correct terms to describe solutions of 2.5 g PbBr2 in 100 mL water at 50°C and 100 °C? none of these answers saturated and saturated, respectively saturated and unsaturated, respectively O unsaturated and unsaturated, respectively
2.A dilution is a solution made by adding a solvent to a supersaturated solution. TRUE
2.A dilution is a solution made by adding a solvent to a
supersaturated solution.
TRUE
FALSE
3.A supersaturated solution may be prepared by slowly cooling down
a solution saturated at an elevated temperature.
TRUE
FALSE
4.The solubility of a gaseous solute in water is increased by an
increase in pressure.
TRUE
FALSE
1. In order to prepare solution of a precise concentration, the common approach is as follows. Sample of solid with it's mass determined on an analytical balance, is...
U) Indicate if each statement below is true or false (on statement below is true or...
U) Indicate if each statement below is true or false (on statement below is true or false (one error allowed) (4.5 points na 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in Solubility of gases in water increase as the solution temperature increases woments in group 2A show a tendency to lose 2 electrons and become positively charged-2 d) Oxygen is more electronegative than sulfur e) When dissolving 9.0 g NaCl within one liter of...
please answer all dmperstu Use the solubility curve provided on the right to determine the answers to the followi...
please answer all
dmperstu Use the solubility curve provided on the right to determine the answers to the following questions: 7. How many grams of solute are required to saturate 100 g of water in each of the following solutions? a) KCL at 80 C b) KCIO, at 90°C c) NaNO, at 10°C d) SO2 at 20 °C e) NH Cl at 70°C esd. 8. What is each of the solutions below: saturated, unsaturated or supersaturated? All of the solutes...
ANSWER THE FOLLOWING AS TRUE OR FALSE a) _____ there are no saturated fats in...
ANSWER THE FOLLOWING AS TRUE OR FALSE a) _____ there are no saturated fats in vegetable products, only animal products b) _____ hydrogenation takes unsaturated fats and converts them to saturated fats c) _____ humans are capable of utilizing cellulose for food d) _____ amino acids are joined in a specific sequence to form proteins e) _____ cellulose is indigestible to all organisms f) _____ the dissacharide found in mammalian milk is maltose...
ASAP please!! Question 33 1 pts 1.c) CH3-CH2-CH2-; Underlined hydrogen will show as sextet (6): True/False...
ASAP please!!
Question 33 1 pts 1.c) CH3-CH2-CH2-; Underlined hydrogen will show as sextet (6): True/False True False Question 34 1 pts 1. d) CH3-CH2-CH2-CH2-C1: Underlined hydrogen will show as sextet (6): True/False True False Question 35 1 pts 1. e) electron withdrawing group attached to carbon containing hydrogen will move hydrogen signal towards more upheld: True/False True False Question 36 1 pts 1. f) When a magnetic field is applied to a molecule the spin of proton will align...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a)...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a) In a 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in water increase as the solution temperature increases c) Elements in group 2A show a tendency to lose 2 electrons and become positively charged -2 d) Oxygen is more electronegative than sufur e) When dissolving 9.0 a NaCI within one liter of water the solution is 0.9% ) An...
Part 1- Multiple Choice (30 points) solids and/or hydrogen bonds forces, London dispersion forces, a. Metallic...
Part 1- Multiple Choice (30 points) solids and/or hydrogen bonds forces, London dispersion forces, a. Metallic d. Molecular network c. Metallic and covalent-network 2. A student dilutes 50.0 mL of a 0.10 mon solution of HC? to 0.010 mon by adding water, which statement is true? . The total amount of solute remains the same. b. The volume of the solution remains the same C. The total amount of solute decreases.The volume of the solvent remalins the same d. The...
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...
help with both please thank
you
For a chemical reaction the rate of the forward reaction is at a maximum when a state of equilibrium is reached the concentration of products is greater than the concentration of the reactants the reaction begins when the concentration of the reactants and products is the same The solubility of copper (II) sulfate (g/100 g water) at 0°C and 100 °C is 14.3g and 75.4 g, respectively. What would be the correct terms to...
The solubility of lead (II) bromide (g/100 g water) at 50 °C and 100 °C is, 1.94 g, and 4.75 g. respectively. What would be the correct terms to describe solutions of 2.5 g PbBr2 in 100 mL water at 50°C and 100 °C? none of these answers saturated and saturated, respectively saturated and unsaturated, respectively O unsaturated and unsaturated, respectively
2.A dilution is a solution made by adding a solvent to a
supersaturated solution.
TRUE
FALSE
3.A supersaturated solution may be prepared by slowly cooling down
a solution saturated at an elevated temperature.
TRUE
FALSE
4.The solubility of a gaseous solute in water is increased by an
increase in pressure.
TRUE
FALSE
1. In order to prepare solution of a precise concentration, the common approach is as follows. Sample of solid with it's mass determined on an analytical balance, is...
U) Indicate if each statement below is true or false (on statement below is true or false (one error allowed) (4.5 points na 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in Solubility of gases in water increase as the solution temperature increases woments in group 2A show a tendency to lose 2 electrons and become positively charged-2 d) Oxygen is more electronegative than sulfur e) When dissolving 9.0 g NaCl within one liter of...
please answer all
dmperstu Use the solubility curve provided on the right to determine the answers to the following questions: 7. How many grams of solute are required to saturate 100 g of water in each of the following solutions? a) KCL at 80 C b) KCIO, at 90°C c) NaNO, at 10°C d) SO2 at 20 °C e) NH Cl at 70°C esd. 8. What is each of the solutions below: saturated, unsaturated or supersaturated? All of the solutes...
ASAP please!!
Question 33 1 pts 1.c) CH3-CH2-CH2-; Underlined hydrogen will show as sextet (6): True/False True False Question 34 1 pts 1. d) CH3-CH2-CH2-CH2-C1: Underlined hydrogen will show as sextet (6): True/False True False Question 35 1 pts 1. e) electron withdrawing group attached to carbon containing hydrogen will move hydrogen signal towards more upheld: True/False True False Question 36 1 pts 1. f) When a magnetic field is applied to a molecule the spin of proton will align...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a) In a 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in water increase as the solution temperature increases c) Elements in group 2A show a tendency to lose 2 electrons and become positively charged -2 d) Oxygen is more electronegative than sufur e) When dissolving 9.0 a NaCI within one liter of water the solution is 0.9% ) An...
Part 1- Multiple Choice (30 points) solids and/or hydrogen bonds forces, London dispersion forces, a. Metallic d. Molecular network c. Metallic and covalent-network 2. A student dilutes 50.0 mL of a 0.10 mon solution of HC? to 0.010 mon by adding water, which statement is true? . The total amount of solute remains the same. b. The volume of the solution remains the same C. The total amount of solute decreases.The volume of the solvent remalins the same d. The...
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