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What is the correct answer for the calculation of a volume (in mL) with measured numbers...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose?...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
all of them please!!!!! 12. What is the volume, in liters, of 12.0 moles of bromine?...
all of them please!!!!!
12. What is the volume, in liters, of 12.0 moles of bromine? Bromine is a liquid at room temperature and has a density of 3.12 g/cm 13. Calculate the density of sulfur if you have 9.92x102 atoms in 2.51x10 L? UNITS 14. Calculate the number of hydrogen atoms in 0.252 ML of sulfuric acid. (D=1.02g/mL) 15. Indicate whether the following is true or false. If it is false, correct it to make it true. a. If...
more answer choices Given the following information about the isotopes of iron, choose the correct calculation...
more answer choices
Given the following information about the isotopes of iron, choose the correct calculation to for Select one answer. determining its atomic mass. 10 points Isotope Atomic Mass (amu) Percent Abundance (%) 54 53.939 5.845 56 55.934 91.754 57 56.935 2.119 58 57.933 0.282 A. O (54 amu x 0.05845) + (56 amu x 0.91754) + (57 amu 0.02119) + (58 amu x 0.00282) B. 53.939 amu + 55.934 amu + 56.935 amu + 57.933 amu 4 C....
need help with 2!! I attatched the given informarion. please let me know what values you...
need help with 2!!
I attatched the given informarion. please let me know what
values you are using!
2. Consider the beta decay of tritium (eq 2). He + je (2) As you did in Question 1 for the neutron decay of H-2, determine the following for the beta decay of H-3: (a) the rest mass of the reactant (in kg, with six significant figures); (b) the sum of rest masses of the products (in kg, with six significant figures);...
thank you!! Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all...
thank you!!
Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for this difference. a) All fluorine atoms have an equal number of protons and neutrons. Ob) There is more than one isotope of chlorine. Oc) Fluorine and...
1. Which of the following is a correct set of quantum numbers for an electron in...
1. Which of the following is a correct set of quantum numbers for an electron in a 4p orbital? a. n = 4, l = 1, ml = 3 b. n = 4, l = 1, ml = +1 c. n = 4, l = 0, ml = -1 d. n = 4, l = 2, ml = 0 2. Arrange the elements K, Mg, Ar, and Na in increasing order of the energy required to remove the first electron...
Question 3 (2.5 points) Chlorine has two naturally occurring isotopes. The isotope C1-35 (mass = 35.0...
Question 3 (2.5 points) Chlorine has two naturally occurring isotopes. The isotope C1-35 (mass = 35.0 amu) makes up 75.8% of the sample, and the isotope CH-37 (mass = 37.0 amu) makes up 24.2% of the sample. What is the average atomic mass for chlorine? A) 36.0 amu B) 35 amu C) 36.6 amu D) 35.5 amu E) 35.521 amu
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of...
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
13. Calculate the density of sulfur if you have 9.92x102 atoms in 2.51 x10 L? UNITS!!!...
13. Calculate the density of sulfur if you have 9.92x102 atoms in 2.51 x10 L? UNITS!!! 14. Calculate the number of hydrogen atoms in 0.252 ML of sulfuric acid. (D-1.02g/mL) 15. Indicate whether the following is true or false. If it is false, correct it to make it true. a. If you have 1 g samples of different elements, the sample with the smallest molar mass contains the fewest atoms. b. On average, one lithium atom weighs 6.941 amu. Every...
22. What volume would 43.5g of CHe gas occupy at 5.25atm and 45°C (A) 42.6L (B)...
22. What volume would 43.5g of CHe gas occupy at 5.25atm and 45°C (A) 42.6L (B) 1.49L (C) 13.5L (D) 23.8L 23. Calculate the final Celsius temperature of hydrogen chloride gas ir.SOOL at 35°C is heated until the volume reachea 1.26L Assume the pressure remains constant. (A) 304°C (B) 503°C (C) 776°C (D) 780°C 23. Consider the following pairs of particles (1) two protons (11) a proton and an electron (1) two electrons (TV) a proton and a neutron The...
Question 22 (2.5 points) How many grams of glucose (C6H1206) are in 3.55 moles of glucose? A) 180. g B) 639 g C) 103 g D) 426 g E) 50.7 g А с ОЕ B D Question 23 (2.5 points) How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg in the following reaction? 2Mg (s) + O2(g) → 2MgO(s) A) 30.4 g B) 50.4 g C) 60.8 g D) 101 g E) 201...
all of them please!!!!!
12. What is the volume, in liters, of 12.0 moles of bromine? Bromine is a liquid at room temperature and has a density of 3.12 g/cm 13. Calculate the density of sulfur if you have 9.92x102 atoms in 2.51x10 L? UNITS 14. Calculate the number of hydrogen atoms in 0.252 ML of sulfuric acid. (D=1.02g/mL) 15. Indicate whether the following is true or false. If it is false, correct it to make it true. a. If...
more answer choices
Given the following information about the isotopes of iron, choose the correct calculation to for Select one answer. determining its atomic mass. 10 points Isotope Atomic Mass (amu) Percent Abundance (%) 54 53.939 5.845 56 55.934 91.754 57 56.935 2.119 58 57.933 0.282 A. O (54 amu x 0.05845) + (56 amu x 0.91754) + (57 amu 0.02119) + (58 amu x 0.00282) B. 53.939 amu + 55.934 amu + 56.935 amu + 57.933 amu 4 C....
need help with 2!!
I attatched the given informarion. please let me know what
values you are using!
2. Consider the beta decay of tritium (eq 2). He + je (2) As you did in Question 1 for the neutron decay of H-2, determine the following for the beta decay of H-3: (a) the rest mass of the reactant (in kg, with six significant figures); (b) the sum of rest masses of the products (in kg, with six significant figures);...
thank you!!
Question 9 (2 points) The atomic mass of fluorine is 19.00 amu, and all fluorine atoms in a naturally occurring sample of fluorine have this mass. The atomic mass of chlorine is 35.45 amu, but no chlorine atoms in a naturally occurring sample of chlorine have this mass. Provide an explanation for this difference. a) All fluorine atoms have an equal number of protons and neutrons. Ob) There is more than one isotope of chlorine. Oc) Fluorine and...
Question 3 (2.5 points) Chlorine has two naturally occurring isotopes. The isotope C1-35 (mass = 35.0 amu) makes up 75.8% of the sample, and the isotope CH-37 (mass = 37.0 amu) makes up 24.2% of the sample. What is the average atomic mass for chlorine? A) 36.0 amu B) 35 amu C) 36.6 amu D) 35.5 amu E) 35.521 amu
33. 20.0 mL of 0.200 M H,SO, is titrated with 0.100 M NaOH. What volume of 0.100 M NaOH is required to neutralize the acid? Na SO, (aq) + H,SO, (aq) + 2NaOH(aq) 2 H 0(1) A. 10.0 mL B. 20.0 mL C. 40.0 mL D. 80.0 mL How many nitrogen atoms are there in 4.0 moles of trinitrotoluene (TNT), C,H,(NO2),? A. 12 B. 2.0 C. 1.8 x 1014 D. 7.2 x 1024 E. 6.022 x 1023 31. A sample...
13. Calculate the density of sulfur if you have 9.92x102 atoms in 2.51 x10 L? UNITS!!! 14. Calculate the number of hydrogen atoms in 0.252 ML of sulfuric acid. (D-1.02g/mL) 15. Indicate whether the following is true or false. If it is false, correct it to make it true. a. If you have 1 g samples of different elements, the sample with the smallest molar mass contains the fewest atoms. b. On average, one lithium atom weighs 6.941 amu. Every...
22. What volume would 43.5g of CHe gas occupy at 5.25atm and 45°C (A) 42.6L (B) 1.49L (C) 13.5L (D) 23.8L 23. Calculate the final Celsius temperature of hydrogen chloride gas ir.SOOL at 35°C is heated until the volume reachea 1.26L Assume the pressure remains constant. (A) 304°C (B) 503°C (C) 776°C (D) 780°C 23. Consider the following pairs of particles (1) two protons (11) a proton and an electron (1) two electrons (TV) a proton and a neutron The...
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