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QUESTION 19 Which of the following, if any, is a physical property of matter? Water decomposes...
9. Which one of the following properties of matter is WRONG Select one: a. Water boils...
9. Which one of the following properties of matter is WRONG Select one: a. Water boils at 100°C at sea level - extensive property O The density of gold at 20°C is 19.35 g/mL-intensive property c At room temperature, hydrogen p oxide decomposes - chemical property d. CH is combustible-chemical property e Copper is ductile-physical property CC-TDI
1. Indicate which of the following would be considered physical properties (P) and which would be...
1. Indicate which of the following would be considered physical properties (P) and which would be considered chemical properties (C) of iron. ー-a. Iron reacts with oxygen to form iron oxides. b. Iron is a good conductor of heat and electricity. C. Iron melts at 1535°C. d. When iron is immersed in a solution of hydrochloric acid, hydrogen gas is produced. e. Iron becomes red-hot when heated. __ f. A500-cc volume of iron has a mass of 3930 g. Iron...
26. Which of the following processes is NOT spontaneous? a. Iron in moist air rusts. b....
26. Which of the following processes is NOT spontaneous? a. Iron in moist air rusts. b. Carbon dioxide and water react to form sugar and oxygen gas. c. Liquid water in a freezer turns to ice. d. A spark ignites a mixture of propane and air. e. Baking soda (sodium hydrogen carbonate) reacts with lemon juice (dilute citric acid).
write the balanced equation for the following reactions.Use the following descriptions:neutralization, precipitation,...
write the balanced equation for the following reactions.Use the
following descriptions:neutralization, precipitation, gaseous,
combustion,synthesis,sisgle displacment or decomposition.If no
reaction,weite no reaction as the product.
hope this help! Thanks
can 24945+ H260) I precipitation Aqueous strontium iodide is placed in a beaker containing aqueous plumbous nitrate Aqueous copper(II) nitrate is placed in an Erlenmeyer flask containing aqueous nickel(II) sulfate Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water Gold...
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of...
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: A. Brake power B. The brake mean effective pressure C....
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of...
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a. Brake power b. The brake mean effective pressure Friction losses...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density of ideal gases Raho A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 1220 mL at a pressure of 1.00 atm, and it weighs 3.34 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Be sure your answer has the correct number of significant digits....
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas...
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
#16 please !!! i posted the wring question !!! 11. You take an aspirin tablet (a...
#16 please !!! i posted the wring question !!!
11. You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g, burn it in air, and collect 2.20 g of carbon dioxide and 0.400 g water. The molar mass of aspirin is between 170 and 190 g/mol. The molecular form of aspirin is a) CHAO, b) C,H,O, c) C3H605 d) CH.04 e) none of these 16. A student weighs out 0.568...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols today? d. numbers 44. С. letters 一 a· drawings b. icons 45. The chemical formula of a compo and does NOT indicate the ー identity of the elements in the compound a. b. how elements are joined in the compound c. the composition of the compound d. relative proportions of the elements in the compound 46. Which substance has a chemical symbol that is...
9. Which one of the following properties of matter is WRONG Select one: a. Water boils at 100°C at sea level - extensive property O The density of gold at 20°C is 19.35 g/mL-intensive property c At room temperature, hydrogen p oxide decomposes - chemical property d. CH is combustible-chemical property e Copper is ductile-physical property CC-TDI
1. Indicate which of the following would be considered physical properties (P) and which would be considered chemical properties (C) of iron. ー-a. Iron reacts with oxygen to form iron oxides. b. Iron is a good conductor of heat and electricity. C. Iron melts at 1535°C. d. When iron is immersed in a solution of hydrochloric acid, hydrogen gas is produced. e. Iron becomes red-hot when heated. __ f. A500-cc volume of iron has a mass of 3930 g. Iron...
26. Which of the following processes is NOT spontaneous? a. Iron in moist air rusts. b. Carbon dioxide and water react to form sugar and oxygen gas. c. Liquid water in a freezer turns to ice. d. A spark ignites a mixture of propane and air. e. Baking soda (sodium hydrogen carbonate) reacts with lemon juice (dilute citric acid).
write the balanced equation for the following reactions.Use the
following descriptions:neutralization, precipitation, gaseous,
combustion,synthesis,sisgle displacment or decomposition.If no
reaction,weite no reaction as the product.
hope this help! Thanks
can 24945+ H260) I precipitation Aqueous strontium iodide is placed in a beaker containing aqueous plumbous nitrate Aqueous copper(II) nitrate is placed in an Erlenmeyer flask containing aqueous nickel(II) sulfate Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide pollutant reacts with gaseous oxygen and liquid water Gold...
Question 2 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3 . At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: A. Brake power B. The brake mean effective pressure C....
Question 6 A gasoline engine of 6 cylinders operates on the four-stroke cycle. The bore of each cylinder is 80 mm and the stroke is 100 mm. The indicator diagram shows an indicated mean effective pressure of 7.3 bars. The clearance volume (Vmin) of the engine is 420 cm3. At the speed of 4100 rpm, the fuel consumption is 19.8 kg/hr and the torque developed is 160 Nm. Calculate: a. Brake power b. The brake mean effective pressure Friction losses...
A sample of Anurance Cound is van O STATES OF MATTER Interconverting molar mass and density of ideal gases Raho A sample of an unknown compound is vaporized at 150. °C. The gas produced has a volume of 1220 mL at a pressure of 1.00 atm, and it weighs 3.34 g. Assuming the gas behaves as an ideal gas under these conditions, calculate the molar mass of the compound. Be sure your answer has the correct number of significant digits....
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...
#16 please !!! i posted the wring question !!!
11. You take an aspirin tablet (a compound consisting solely of carbon, hydrogen, and oxygen) with a mass of 1.00 g, burn it in air, and collect 2.20 g of carbon dioxide and 0.400 g water. The molar mass of aspirin is between 170 and 190 g/mol. The molecular form of aspirin is a) CHAO, b) C,H,O, c) C3H605 d) CH.04 e) none of these 16. A student weighs out 0.568...
NGLES FOR ANY POLYGON-180 (N-2 IN- Name: Which of the follwing is used for chemical symbols today? d. numbers 44. С. letters 一 a· drawings b. icons 45. The chemical formula of a compo and does NOT indicate the ー identity of the elements in the compound a. b. how elements are joined in the compound c. the composition of the compound d. relative proportions of the elements in the compound 46. Which substance has a chemical symbol that is...
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