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help with All 8 questions please
Question 13 2 pts How many moles of carbon are...
help with all 8 Please! here you go Quins DHE Duration 4 10:44 Question 5 2...
help with all 8 Please!
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Quins DHE Duration 4 10:44 Question 5 2 pts A molecule is polar if: There is an overall dipole moment to the molecule. the molecule is charged the overall dipole moment is zero the centers of negative and positive charge are not in the same place. Question 6 3 pts Choose all of the following that have the same number of carbon atoms as 1 mole of CoHo. 6 moles of CO2...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in 75 grams of K2COs? 2. How many moles of each atom are there in 5 moles of Cus(PO)2 3. How many molecules of dinitrogen tetroxide (N204) are there in 80 g of N204? 4. How many grams does one molecule of carbon dioxide (CO2) weigh? The balanced equation for production of carbon dioxide is C(s) + Oz(g) → CO2(g). How many grams of CO2are...
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if...
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if you have 7 moles of the molecule? Consider the following generic balanced reaction equation: 5A + 3B 22C If 3.3 moles of A react completely, how many moles of C will be produced? How many grams are the in 40 moles of a compound with a molar mass of 58.2 grams per mole (g/mol)? How many moles are in 176.4 grams of a compound...
help with all 6 questions please Question 24 1 pts An isotonic solution of NaCl is...
help with all 6 questions please
Question 24 1 pts An isotonic solution of NaCl is 0.90% w/v. Suppose you start with a teaspoon (5.69 g) of NaCl and dissolve it in water. How many total mL would the solution need to be to be isotonic? Give to at least two significant figures? Question 25 1 pts A soft drink has a pH of 2. What will be the concentration of Ht? Give the exact number, without the unit. I...
answer all please 1. What is the mass of 1.25 moles of Na2O? 2- How many...
answer all please
1. What is the mass of 1.25 moles of Na2O? 2- How many moles are in 100 gram of KOH? K-391 almoles 39.1 +16.0+1 01:56.11g/mole 0 16.0 mole (16)/(56.119/mole) 4- 1.01 almole 3. How many grams are in 5 moles of KOH? 6.76 4. Find the mass of 7.5 moles of KOH. 5. Find the % composition of individuals in, Kmn04 %K %Mn= %0= 6- How many gram of S is in 12 gram Pb(SO4)2? 7- How...
4 Edit & C Question 33 2 pts How many moles of CO2 will be make...
4 Edit & C Question 33 2 pts How many moles of CO2 will be make from 19.9 g of propane (C3H8) with a molar mass of 44.10 g/mol? CzHg +502 3CO2 + 4H20 Question 34 2 pts How many mols of reactant remains after 0.47 mol of sodium phosphate reacts with 0.54 mol of magnesium chloride? (Just put in the number - don't put the units in the answer.) 2NaPO, (aq) + 3MgCl2 (aq) + 4NaCl(aq) + Mg3(PO4)2 (s)...
Need help please. 22. I believe a. is 2 moles and b. is 2 moles 23....
Need help please.
22. I believe a. is 2 moles and b. is 2 moles
23. 2 moles of Ben gives 1 mole of product= which should equal
121.65 grams. But need help not sure if they are correct and I
don't know 24.
22. For the following Aldol Condensation: To make one mole of product, how many moles of each reactant are needed? 0. NaOH CH CHCCH CH FW-106.13 d-1.0415 grnL F-58.08 g/mol d-0.7899 gmL Mp 110.5-112 °C FW...
Question 27 2 pts How many moles of oxygen atoms are in 2.30 moles of Mg(C,...
Question 27 2 pts How many moles of oxygen atoms are in 2.30 moles of Mg(C, H:02),? 9.20 moles O 4.60 moles O 1.15 moles 2.30 moles 0.575 moles Question 28 2 pts Crenation of red blood cells occurs when the cells are placed in a(n) Ophysiological saline solution isotonic solution ОООО hypertonic solution hypotonic solution Question 29 2 pts What is the oxidation state of carbon in C2H4O? -2 +2 0 +1 0-1 U Question 30 2 pts Use...
s Question Completion Status: QUESTION7 How many moles of CH4 is equivalent to 24.2 g of...
s Question Completion Status: QUESTION7 How many moles of CH4 is equivalent to 24.2 g of CH4 (Mw. 16.04 g/mol)? QUESTION Write a balanced chemical equation for the reaction of acetone (C3HgO) with oxygen (O2) to form carbon dioxide (CO2) and water (H2o) AC3HO)+02()C ()+H2O) @d. 6 C3H60a)+302 (g) → 6 CO2 (g) + 6 H2O (g) oc. c3140 a) + 4 02 (g)-→ 3 CO2 (g)+3H2O(g) OD, 3 CO2 (g) + 3H20(g) → C3H600"402 (g) QUESTION 9 How many...
Question 1 10 pts Consider the general chemical equation: A+2B3 C How many moles of C...
Question 1 10 pts Consider the general chemical equation: A+2B3 C How many moles of C are produced from 1 mol of A? o 2 3 10 pts D Question 2 Given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced from 5.00 mol of H202 2 H2020) 2 H20) 028) 1 mol 2.5 mol 5 mol 10 mol 10 pts DQuestion 3 How many moles of propane gas, C3Ha. react with 1.29 mol of oxygen gas?...
help with all 8 Please!
here you go
Quins DHE Duration 4 10:44 Question 5 2 pts A molecule is polar if: There is an overall dipole moment to the molecule. the molecule is charged the overall dipole moment is zero the centers of negative and positive charge are not in the same place. Question 6 3 pts Choose all of the following that have the same number of carbon atoms as 1 mole of CoHo. 6 moles of CO2...
Part 2: Mole Calculations (8 pts) 1. How many moles of sodium carbonate are there in 75 grams of K2COs? 2. How many moles of each atom are there in 5 moles of Cus(PO)2 3. How many molecules of dinitrogen tetroxide (N204) are there in 80 g of N204? 4. How many grams does one molecule of carbon dioxide (CO2) weigh? The balanced equation for production of carbon dioxide is C(s) + Oz(g) → CO2(g). How many grams of CO2are...
Consider a molecule with the formula C3H1106N13. How many moles of hydrogen atoms are there if you have 7 moles of the molecule? Consider the following generic balanced reaction equation: 5A + 3B 22C If 3.3 moles of A react completely, how many moles of C will be produced? How many grams are the in 40 moles of a compound with a molar mass of 58.2 grams per mole (g/mol)? How many moles are in 176.4 grams of a compound...
help with all 6 questions please
Question 24 1 pts An isotonic solution of NaCl is 0.90% w/v. Suppose you start with a teaspoon (5.69 g) of NaCl and dissolve it in water. How many total mL would the solution need to be to be isotonic? Give to at least two significant figures? Question 25 1 pts A soft drink has a pH of 2. What will be the concentration of Ht? Give the exact number, without the unit. I...
answer all please
1. What is the mass of 1.25 moles of Na2O? 2- How many moles are in 100 gram of KOH? K-391 almoles 39.1 +16.0+1 01:56.11g/mole 0 16.0 mole (16)/(56.119/mole) 4- 1.01 almole 3. How many grams are in 5 moles of KOH? 6.76 4. Find the mass of 7.5 moles of KOH. 5. Find the % composition of individuals in, Kmn04 %K %Mn= %0= 6- How many gram of S is in 12 gram Pb(SO4)2? 7- How...
4 Edit & C Question 33 2 pts How many moles of CO2 will be make from 19.9 g of propane (C3H8) with a molar mass of 44.10 g/mol? CzHg +502 3CO2 + 4H20 Question 34 2 pts How many mols of reactant remains after 0.47 mol of sodium phosphate reacts with 0.54 mol of magnesium chloride? (Just put in the number - don't put the units in the answer.) 2NaPO, (aq) + 3MgCl2 (aq) + 4NaCl(aq) + Mg3(PO4)2 (s)...
Need help please.
22. I believe a. is 2 moles and b. is 2 moles
23. 2 moles of Ben gives 1 mole of product= which should equal
121.65 grams. But need help not sure if they are correct and I
don't know 24.
22. For the following Aldol Condensation: To make one mole of product, how many moles of each reactant are needed? 0. NaOH CH CHCCH CH FW-106.13 d-1.0415 grnL F-58.08 g/mol d-0.7899 gmL Mp 110.5-112 °C FW...
Question 27 2 pts How many moles of oxygen atoms are in 2.30 moles of Mg(C, H:02),? 9.20 moles O 4.60 moles O 1.15 moles 2.30 moles 0.575 moles Question 28 2 pts Crenation of red blood cells occurs when the cells are placed in a(n) Ophysiological saline solution isotonic solution ОООО hypertonic solution hypotonic solution Question 29 2 pts What is the oxidation state of carbon in C2H4O? -2 +2 0 +1 0-1 U Question 30 2 pts Use...
s Question Completion Status: QUESTION7 How many moles of CH4 is equivalent to 24.2 g of CH4 (Mw. 16.04 g/mol)? QUESTION Write a balanced chemical equation for the reaction of acetone (C3HgO) with oxygen (O2) to form carbon dioxide (CO2) and water (H2o) AC3HO)+02()C ()+H2O) @d. 6 C3H60a)+302 (g) → 6 CO2 (g) + 6 H2O (g) oc. c3140 a) + 4 02 (g)-→ 3 CO2 (g)+3H2O(g) OD, 3 CO2 (g) + 3H20(g) → C3H600"402 (g) QUESTION 9 How many...
Question 1 10 pts Consider the general chemical equation: A+2B3 C How many moles of C are produced from 1 mol of A? o 2 3 10 pts D Question 2 Given the decomposition of hydrogen peroxide, calculate the moles of oxygen gas produced from 5.00 mol of H202 2 H2020) 2 H20) 028) 1 mol 2.5 mol 5 mol 10 mol 10 pts DQuestion 3 How many moles of propane gas, C3Ha. react with 1.29 mol of oxygen gas?...
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