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Question 11 (4 points) Which of the following does NOT contain Avogadro's number of particles?! 108...
1. Avogadro's number Na is defined as the number of particles (e.g. 1 mole) such that...
1. Avogadro's number Na is defined as the number of particles (e.g. 1 mole) such that the mass of a mole of particles with mass equal to 1 atomic mass unit u is exactly equal to 1 gram. (Note that the atomic mass unit u is defined as 1/12 of the mass of an atom of carbon 12 (2C) and is approximately equal to the mass of a proton.) Using the following values, which are given to 5 significant figures,...
please answer Which of the following quantities does not contain the same number of atoms as...
please answer
Which of the following quantities does not contain the same number of atoms as there are in 80.2 grams of Ca? O 6.02 x 1023 molecules of O2 O 64.2 grams of S O 6.02x 1023 atoms of Ni O 0.50 moles of Pa molecules
11:46 7 els Question 1 of 5 Submit Which of the following contains the highest number...
11:46 7 els Question 1 of 5 Submit Which of the following contains the highest number of atoms? A) 1 mole of helium B) 1 mole of carbon C) 1 mole of uranium D) All contain an equal number of atoms E) Not enough info
(1) Avogadro's number is 6.02 x 10. Arrange the following samples in order of increasing number...
(1) Avogadro's number is 6.02 x 10. Arrange the following samples in order of increasing number of carbon atoms: 12g C; 1 mol C2H2; 9 x 1023 molecules [ 12g C < 1 mol CH3 < 9 x 1023 molecules [2] 12g C < 9 x 10” molecules < 1 mol C2H2 [3] Imol CH3 < 12g PC < 9 x 102 molecules [4] 1 mol CH2 <9 x 10” molecules < 12g C [5] 9 x 10” molecules <...
Question 5 (4 points) According to the equation: 2H2 + O2 + 2H20 8.0 mole of...
Question 5 (4 points) According to the equation: 2H2 + O2 + 2H20 8.0 mole of water would be produced from _?_ moles of oxygen gas. 4.0 0.50 2.0 1.0 8.0 Question 6 (4 points) A 0.19 mole sample of ammonia (NH3) would have a mass of: 1.9 g 3.2 g 0.19 g 0 7.79 1.1 x 1023 g
3. Define Avogadro's Number: 4. Write the Avogadro's number 602 000 000 000 000 000 000...
3. Define Avogadro's Number: 4. Write the Avogadro's number 602 000 000 000 000 000 000 000 in scientific notation. 5. What is a mole? 6. Calculate each of the following (Show Work): a the number of C atoms in 0.5 mol of C b. the number of so molecules in 1.28 mol of SO2 c. the moles of Fe in a simple containing 5.22 x1022 atoms of Fe 7. Calculate the molar mass for each of the following. Use...
1. Complete the table. Substance Mass Moles N0. of particle (atoms or molecules) Ar 5.0*10^-4 NO2...
1. Complete the table. Substance Mass Moles N0. of particle (atoms or molecules) Ar 5.0*10^-4 NO2 1.34*10^20 K 21.4 mg C8H18 2.50 kg 2.Complete The table Substance Mass Moles Number OF particles (atoms or molecules) C6H12O6 19.0 g Pb 8.24*10^21 CF4 24.5 kg C 0.0406 3. Amylose is a "polysaccharide" that plants use to store energy. It is made of repeating subunits of C6H10O5. a. A particular amylose molecule has 2113 of these subunits, what is its molecular formula? Express...
can sormoen help pleasse A compound made of elements A and B, has a cubic unit...
can sormoen help pleasse
A compound made of elements A and B, has a cubic unit cell. There is an A atom at each corner of the cube and an A atom at the center of each face of the cube. There are eight B atoms that lie entirely within the unit cell. Based on this information, the empirical formula for the compound is: AB2 AB3 AB A₂B 1A4B2 Question 9 (4 points) Which of the following increases the solubility...
-n Avogadro's Law and Molar Volume at STP (1.00 mole of any gas-22.4 L at STP)...
-n Avogadro's Law and Molar Volume at STP (1.00 mole of any gas-22.4 L at STP) 11. ゴog Na × mol -1.78 mol n, 50.0 g of nitrogen (N2) has a volume of-一liters at STP. 18 met I mo V= 39.9 L 12. 1.00 x 10 g of oxygen (O2) is added to the gas in Question 11. What is the volume of the combined gases at STP? 13· What is the density of carbon dioxide at STP in grams...
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...
1. Avogadro's number Na is defined as the number of particles (e.g. 1 mole) such that the mass of a mole of particles with mass equal to 1 atomic mass unit u is exactly equal to 1 gram. (Note that the atomic mass unit u is defined as 1/12 of the mass of an atom of carbon 12 (2C) and is approximately equal to the mass of a proton.) Using the following values, which are given to 5 significant figures,...
please answer
Which of the following quantities does not contain the same number of atoms as there are in 80.2 grams of Ca? O 6.02 x 1023 molecules of O2 O 64.2 grams of S O 6.02x 1023 atoms of Ni O 0.50 moles of Pa molecules
11:46 7 els Question 1 of 5 Submit Which of the following contains the highest number of atoms? A) 1 mole of helium B) 1 mole of carbon C) 1 mole of uranium D) All contain an equal number of atoms E) Not enough info
(1) Avogadro's number is 6.02 x 10. Arrange the following samples in order of increasing number of carbon atoms: 12g C; 1 mol C2H2; 9 x 1023 molecules [ 12g C < 1 mol CH3 < 9 x 1023 molecules [2] 12g C < 9 x 10” molecules < 1 mol C2H2 [3] Imol CH3 < 12g PC < 9 x 102 molecules [4] 1 mol CH2 <9 x 10” molecules < 12g C [5] 9 x 10” molecules <...
Question 5 (4 points) According to the equation: 2H2 + O2 + 2H20 8.0 mole of water would be produced from _?_ moles of oxygen gas. 4.0 0.50 2.0 1.0 8.0 Question 6 (4 points) A 0.19 mole sample of ammonia (NH3) would have a mass of: 1.9 g 3.2 g 0.19 g 0 7.79 1.1 x 1023 g
3. Define Avogadro's Number: 4. Write the Avogadro's number 602 000 000 000 000 000 000 000 in scientific notation. 5. What is a mole? 6. Calculate each of the following (Show Work): a the number of C atoms in 0.5 mol of C b. the number of so molecules in 1.28 mol of SO2 c. the moles of Fe in a simple containing 5.22 x1022 atoms of Fe 7. Calculate the molar mass for each of the following. Use...
can sormoen help pleasse
A compound made of elements A and B, has a cubic unit cell. There is an A atom at each corner of the cube and an A atom at the center of each face of the cube. There are eight B atoms that lie entirely within the unit cell. Based on this information, the empirical formula for the compound is: AB2 AB3 AB A₂B 1A4B2 Question 9 (4 points) Which of the following increases the solubility...
-n Avogadro's Law and Molar Volume at STP (1.00 mole of any gas-22.4 L at STP) 11. ゴog Na × mol -1.78 mol n, 50.0 g of nitrogen (N2) has a volume of-一liters at STP. 18 met I mo V= 39.9 L 12. 1.00 x 10 g of oxygen (O2) is added to the gas in Question 11. What is the volume of the combined gases at STP? 13· What is the density of carbon dioxide at STP in grams...
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...
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Go to NCBI BLAST search web page
1st search: GEKDLRRAKDINQEVYNF
2nd search: PTSQRLQLLEPFDK
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