Homework Answers
Mole represent the number of molecules of any substance
So, 1 mole = 6.022*10^23 molecules
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QUESTION 7 How many molecules are present in one mole of water H20? a. 1.66 x...
explanation please 8) How many molecules are present in 4.25 mol of CC14? A) 9.26 x...
explanation please
8) How many molecules are present in 4.25 mol of CC14? A) 9.26 x 1024 molecules (B)2.56 x 1024 molecules C) 653.69 molecules D) 153.81 molecules E) 3.69 x 10-23 molecules 9) How many molecules are there in 3.00 moles of NH3? A) 1.00 molecules B) 3.00 molecules C) 17.00 molecules D) 1.20 x 1024 molecules E1.81x 1024 molecules 10) How many molecules are present in 3.25 mol of C2H60? A) 3.25 molecules B) 46.0 molecules C) 1.85...
Fred was asked to solve the problem below in class: How many molecules of H20 are...
Fred was asked to solve the problem below in class: How many molecules of H20 are in 1.7 moles of H2O? Which of the following conversion factors will Fred use for this problem? 6.02 x 1023 molecules 1 mole 1 mole 9 Molar Mass Periodic table DLL 1 mole 22.4 L gas @STP 1 mole 6.02 x 10 molecules
O e 1.78 x 10-15 molecules QUESTION 9 A mole of a chemical substance represents .6.02 x 1023 chemical particles of...
O e 1.78 x 10-15 molecules QUESTION 9 A mole of a chemical substance represents .6.02 x 1023 chemical particles of the substance b. the mass of the substance that will combine with 100.0 g of oxygen 0 6.02 x 10-23 grams of the substance d. the mass of the substance that will combine with 12.0 g of carbon QUESTION 10 When the following equation is balanced using the smallest possible integers, what is the number in front of the...
QUESTION 5 How many coulombs are there in one mole of charge? O'A. 1.6 x 10-19 B. 96485 C: 6.2 x 1018 OD. 1 OE. 6.0...
QUESTION 5 How many coulombs are there in one mole of charge? O'A. 1.6 x 10-19 B. 96485 C: 6.2 x 1018 OD. 1 OE. 6.02 x 1023
locs are present in a sample of HCl with a mass of 3.65g? 4. How many...
locs are present in a sample of HCl with a mass of 3.65g? 4. How many moles are present in a sa A. 3.46 moles B. 0.100 moles C. 2.19 X 1024 moles D. 10.0 moles 5. How many moles are present in 32.46g of AgNO3? A. 0.191 moles B. 5520 moles C. 5.23 moles D. 32.5 moles 6. How many molecules are present in 18.0g of MgSO4? A. 6.02 X 1023 B. 3.60 X 10-21 C. 4.03 X 1024...
Question 5 One mole of something consists of units of that substance. 6.02 X 1023 ]...
Question 5 One mole of something consists of units of that substance. 6.02 X 1023 ] 1.66 X 1024 ] 1.008 ] 32.00 12.01
moles of C. 6) 0.400 mole of sucrose, C12H22011. contains A) 12 B) 6.02 x 1023...
moles of C. 6) 0.400 mole of sucrose, C12H22011. contains A) 12 B) 6.02 x 1023 C) 5.02 x 1022 D) 2.89 x 1024 E) 4.80 7) How many moles of carbon atoms are there in 0.500 mole of C2H6? A) 0.500 mole B) 1.00 mole C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 8) Calculate the molar mass of magnesium chloride, Mg (12. A) 24.31 g/mole B) 95.21 g/mole C) 125.9 g/mole D) 59.76 g/mole E)...
A) 3.91 x 1023 molecules B) 1.09 x 1021 molecules C) 1.96 * 1023 molecules D)...
A) 3.91 x 1023 molecules B) 1.09 x 1021 molecules C) 1.96 * 1023 molecules D) 58.57 molecules E) 1.80 x 10-3 molecules 38) Which of the choices is the correctly balanced form of the following equation? C6H14(%) + O2(g) + CO2(g) + H20(1) A) 2C6H14() + 1902(g) 12C02(g) + 14H20(1) B) C12H28() + 380(g) 12C02(g) + 14H20(1) C) C6H14(4) + 190(g) 6CO2(g) + 7H2007 D) C6H14) + 1302(g) → 6CO2(g) + 7H20(1) E) C6H14() + 1902(g) 6CO2(g) + 7H20(1)...
1. Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas...
1. Choose the correct answer(s) to complete the following statement: One mole of oxygen (O2) gas is equivalent to _____________________. I. 6.022 × 1023 molecules of oxygen II. 6.022 × 1023 atoms of oxygen III. one mole of oxygen atoms IV. two moles of oxygen atoms 2. 50.0 g of Cl2 contains ________ mol Cl2. a. 0.705 b.1.41 c. 4.24 × 1023 d. 1775 e. 50.0 3. The number of grams in 0.350 mol of Na is a. 11.0. b....
can you show ur work 4. How many molecules are present in one mole of glucose,...
can you show ur work
4. How many molecules are present in one mole of glucose, C6H1206? 5. A person drinks 1.50-10 grams of water (H2O) per day. How many moles is this? And how many molecules? 6. How many moles of marble, CaCO3, are there in a 275 g piece of marble? And how many molecules?
explanation please
8) How many molecules are present in 4.25 mol of CC14? A) 9.26 x 1024 molecules (B)2.56 x 1024 molecules C) 653.69 molecules D) 153.81 molecules E) 3.69 x 10-23 molecules 9) How many molecules are there in 3.00 moles of NH3? A) 1.00 molecules B) 3.00 molecules C) 17.00 molecules D) 1.20 x 1024 molecules E1.81x 1024 molecules 10) How many molecules are present in 3.25 mol of C2H60? A) 3.25 molecules B) 46.0 molecules C) 1.85...
Fred was asked to solve the problem below in class: How many molecules of H20 are in 1.7 moles of H2O? Which of the following conversion factors will Fred use for this problem? 6.02 x 1023 molecules 1 mole 1 mole 9 Molar Mass Periodic table DLL 1 mole 22.4 L gas @STP 1 mole 6.02 x 10 molecules
O e 1.78 x 10-15 molecules QUESTION 9 A mole of a chemical substance represents .6.02 x 1023 chemical particles of the substance b. the mass of the substance that will combine with 100.0 g of oxygen 0 6.02 x 10-23 grams of the substance d. the mass of the substance that will combine with 12.0 g of carbon QUESTION 10 When the following equation is balanced using the smallest possible integers, what is the number in front of the...
QUESTION 5 How many coulombs are there in one mole of charge? O'A. 1.6 x 10-19 B. 96485 C: 6.2 x 1018 OD. 1 OE. 6.02 x 1023
locs are present in a sample of HCl with a mass of 3.65g? 4. How many moles are present in a sa A. 3.46 moles B. 0.100 moles C. 2.19 X 1024 moles D. 10.0 moles 5. How many moles are present in 32.46g of AgNO3? A. 0.191 moles B. 5520 moles C. 5.23 moles D. 32.5 moles 6. How many molecules are present in 18.0g of MgSO4? A. 6.02 X 1023 B. 3.60 X 10-21 C. 4.03 X 1024...
Question 5 One mole of something consists of units of that substance. 6.02 X 1023 ] 1.66 X 1024 ] 1.008 ] 32.00 12.01
moles of C. 6) 0.400 mole of sucrose, C12H22011. contains A) 12 B) 6.02 x 1023 C) 5.02 x 1022 D) 2.89 x 1024 E) 4.80 7) How many moles of carbon atoms are there in 0.500 mole of C2H6? A) 0.500 mole B) 1.00 mole C) 3.00 moles D) 6.02 x 1023 moles E) 4.00 moles 8) Calculate the molar mass of magnesium chloride, Mg (12. A) 24.31 g/mole B) 95.21 g/mole C) 125.9 g/mole D) 59.76 g/mole E)...
A) 3.91 x 1023 molecules B) 1.09 x 1021 molecules C) 1.96 * 1023 molecules D) 58.57 molecules E) 1.80 x 10-3 molecules 38) Which of the choices is the correctly balanced form of the following equation? C6H14(%) + O2(g) + CO2(g) + H20(1) A) 2C6H14() + 1902(g) 12C02(g) + 14H20(1) B) C12H28() + 380(g) 12C02(g) + 14H20(1) C) C6H14(4) + 190(g) 6CO2(g) + 7H2007 D) C6H14) + 1302(g) → 6CO2(g) + 7H20(1) E) C6H14() + 1902(g) 6CO2(g) + 7H20(1)...
can you show ur work
4. How many molecules are present in one mole of glucose, C6H1206? 5. A person drinks 1.50-10 grams of water (H2O) per day. How many moles is this? And how many molecules? 6. How many moles of marble, CaCO3, are there in a 275 g piece of marble? And how many molecules?
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