Homework Answers
22. Water reacts with sodium metal to produce hydrogen (H2) gas and sodium hydroxide (NaOH). Option b is the correct answer.
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b.Um C. Mg d. mL 22. Which of the following demonstrate a chemical reaction of water?...
please answer them all. When designing a sound scientific experiment, which of the following guidelines should...
please answer them all.
When designing a sound scientific experiment, which of the following guidelines should be followed? Isolating one independent variable makes it simpler to evaluate for a causal relationship. Correlational data can be used to prove a hypothesis. The control group is ignored during comparison. Constants are not always necessary. The process known as gastrulation results in the formation of which of the following embryonic structures? . . . . . Coelomic cavities Germinal layers Circulatory systems Neural...
please help me out answering thsese comp,etely and corrctly. thanks. lab Write balanced chemical equations for...
please help me out answering thsese comp,etely and corrctly.
thanks.
lab Write balanced chemical equations for the following chemical reactions. NOTE: some of may already be balanced · Lehium metal and water react to produce lithium hydroxide and hydrogen gas. 2. When solutions of silver nitrate and potassium bromide are combined, solid silver bromide 3. Suilturic acid is produced when sulfur trioxide reacts with water. HINT: Sulfturic acid is Me reaction of iron metal with steam produces an iron compound....
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding...
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding a piece of zinc metal to acid causes bubbles to form an energy change is observed b) mixing two colorless solutions gives a pink solution a gas is produced c) adding potassium metal to water causes flames an energy change is observed d) adding sodium chloride to a silver nitrate solution causes a white powder to form in the solution an insoluble sold is...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
i only need g, h and I please Classifying Chemical Reactions continued Classifying Chemical Reactions continued...
i
only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate,...
6. Write a balanced equation describing each of the following chemical reactions. (a) Solid potassium chlorate, KClO3, decomposes to form solid potassium chloride and diatomic oxygen gas. (b) Solid aluminum metal reacts with solid diatomic iodine to form solid Al2I6. (c) When solid sodium chloride is added to aqueous sulfuric acid, hydrogen chloride gas and aqueous sodium sulfate are produced. (d) Aqueous solutions of phosphoric acid and potassium hydroxide react to produce aqueous potassium dihydrogen phosphate and liquid water.
plz answer within 5 mins! action. 12. Which type of chemical reaction combines reacta a) synthesis...
plz answer within 5 mins!
action. 12. Which type of chemical reaction combines reacta a) synthesis b) decomposition c) potential d) exchange e) activated to produce larger products? 13. What is the most abundant and most important inorganic compound in the body? a) water b) oxygen gas c) carbon dioxide d) glucose e) DNA 14. A solute that readily dissolves in water is a) hydrophobic. b) hydrostatic. c) lipophilic. d) hydrophilic. e) hydrozone. 15. Which type of chemical reaction will...
questions I. Which of the following will yield no reacticn? L Na 50daq) reacts with BalCIOaq)...
questions I. Which of the following will yield no reacticn? L Na 50daq) reacts with BalCIOaq) IIPhNO(aq) reacts with NaCKaq) IL KBelag) reacts with HC(aq) A) I B) II C) III D) Iand II E) LII, and I 2. Which is not an alkali metal?" A) Na B) H C Rb K DI E) L 3. Which of the following is inert? A) Br B) Fg) C) Heig D) Hig) E) Nats) 4 Which of the following could foem when...
1. Convert each of the following names into chemical formulas and then balance the reaction. Make...
1. Convert each of the following names into chemical formulas and then balance the reaction. Make sure you include phases for each reactant and product in the reaction. (s = solid. 1 = liquid, g = gas, aq = aqueous) a. Zinc solid reacts with aqueous silver nitrate to form aqueous zinc nitrate and silver metal. b. Aqueous sodium hydroxide reacts with aqueous oxalic acid to form aqueous sodium oxa- late and liquid water. c. Aqueous lithium phosphate is reacted...
1. Convert each of the following names into the following names into chemical formulas and then balance the reaction. K...
1. Convert each of the following names into the following names into chemical formulas and then balance the reaction. Ke sure you include phases for each reactant and product in the reaction. I = liquid, g = gas, aq = aqueous) 4 dinc solid reacts with aqueous silver nitrate to form aqueous zinc nitrate and silver metal. b. Aqueous sodium hydroxide reacts with aqueous oxalic acid to form aqueous sodium oxa- late and liquid water. c. Aqueous lithium phosphate is...
please answer them all.
When designing a sound scientific experiment, which of the following guidelines should be followed? Isolating one independent variable makes it simpler to evaluate for a causal relationship. Correlational data can be used to prove a hypothesis. The control group is ignored during comparison. Constants are not always necessary. The process known as gastrulation results in the formation of which of the following embryonic structures? . . . . . Coelomic cavities Germinal layers Circulatory systems Neural...
please help me out answering thsese comp,etely and corrctly.
thanks.
lab Write balanced chemical equations for the following chemical reactions. NOTE: some of may already be balanced · Lehium metal and water react to produce lithium hydroxide and hydrogen gas. 2. When solutions of silver nitrate and potassium bromide are combined, solid silver bromide 3. Suilturic acid is produced when sulfur trioxide reacts with water. HINT: Sulfturic acid is Me reaction of iron metal with steam produces an iron compound....
Choose the correct evidence of a chemical reaction for each of the following observations: a) adding a piece of zinc metal to acid causes bubbles to form an energy change is observed b) mixing two colorless solutions gives a pink solution a gas is produced c) adding potassium metal to water causes flames an energy change is observed d) adding sodium chloride to a silver nitrate solution causes a white powder to form in the solution an insoluble sold is...
6. A 50.0 mL sample of 0.528 M NHaNO, is diluted with water to a total volume of 250.0 mL What is the ammonium nitrate concentration in the resulting solution? 7. 75.0 ml. of a 0.250M NaCI solution is added to 35.8 ml. of 0.1150M NaCOs. What is the concentration of sodium ion in the final solution? 8, 34.62 mL. of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What is the concentration of the...
i
only need g, h and I please
Classifying Chemical Reactions continued Classifying Chemical Reactions continued 3. Write a balanced chemical equation for each reaction and classify the reaction. a. Copper metal heated with oxygen gives solid copper(II)oxide. 4 cu +02 → 2420 (5) combination reachon b. Mixing ammonium nitrate and sodium hydroxide solutions gives aqueous sodium nitrate, ammonia gas, and water. NHL NO2+ NaOH -> Na NO₃(aq) + NH₃ (9)+H₂O (e) double replacement c. Mercury(II) nitrate solution reacts with...
plz answer within 5 mins!
action. 12. Which type of chemical reaction combines reacta a) synthesis b) decomposition c) potential d) exchange e) activated to produce larger products? 13. What is the most abundant and most important inorganic compound in the body? a) water b) oxygen gas c) carbon dioxide d) glucose e) DNA 14. A solute that readily dissolves in water is a) hydrophobic. b) hydrostatic. c) lipophilic. d) hydrophilic. e) hydrozone. 15. Which type of chemical reaction will...
questions I. Which of the following will yield no reacticn? L Na 50daq) reacts with BalCIOaq) IIPhNO(aq) reacts with NaCKaq) IL KBelag) reacts with HC(aq) A) I B) II C) III D) Iand II E) LII, and I 2. Which is not an alkali metal?" A) Na B) H C Rb K DI E) L 3. Which of the following is inert? A) Br B) Fg) C) Heig D) Hig) E) Nats) 4 Which of the following could foem when...
1. Convert each of the following names into chemical formulas and then balance the reaction. Make sure you include phases for each reactant and product in the reaction. (s = solid. 1 = liquid, g = gas, aq = aqueous) a. Zinc solid reacts with aqueous silver nitrate to form aqueous zinc nitrate and silver metal. b. Aqueous sodium hydroxide reacts with aqueous oxalic acid to form aqueous sodium oxa- late and liquid water. c. Aqueous lithium phosphate is reacted...
1. Convert each of the following names into the following names into chemical formulas and then balance the reaction. Ke sure you include phases for each reactant and product in the reaction. I = liquid, g = gas, aq = aqueous) 4 dinc solid reacts with aqueous silver nitrate to form aqueous zinc nitrate and silver metal. b. Aqueous sodium hydroxide reacts with aqueous oxalic acid to form aqueous sodium oxa- late and liquid water. c. Aqueous lithium phosphate is...
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