Homework Answers
Add Answer to:
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...
31). 31) To convert a given number of moles into the number of atoms, one would...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
5) How many moles of hydrogen gas are needed to react with oxygen to form one...
5) How many moles of hydrogen gas are needed to react with oxygen to form one mole of 5) water? 2H2(8) + O268) - 2H20(1) A) 4 mol B) 1 mol C) 2 mol D) 0.5 mol E) 6 mol 6) Incomplete combustion occurs when there is insufficient oxygen to react with a compound. The suffocating gas carbon monoxide is a product of incomplete combustion. How many moles of oxygen gas are required for the complete combustion of 11.0 moles...
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one...
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/I mol B) 1 mol/6.022 1023 atoms C) molar mass D) 6.022 * 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 3 2) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S 32.06 g/mol) A) 6.02 x 1023 atoms B) 2.91 x...
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....
5) Choose the best classification of the reaction represented by the following equation: Pb(NO3)2(ay)+CaClg(ay)-PbCl20)+ Ca(NO3)2(a) A)...
5) Choose the best classification of the reaction represented by the following equation: Pb(NO3)2(ay)+CaClg(ay)-PbCl20)+ Ca(NO3)2(a) A) decomposition B) precipitation C) oxidation-reduction D) acid-base E) combustion 5) 6) 6) Choose the best classification of the reaction represented by the following equation: HBr(ay)+ KOH(ag)KBr(ag) + H20( A) acid-base B) precipitation C) combustion D) combination E) decomposition 7) 7) Magnesium hydroxide, Mg(OH)2, as "Milk of Magnesia" can be used to neutralize excess stomach acid, represented by HCl(ag) according to the chemical equation below....
12) 12) Choose the best classification of the reaction represented by the following equation: 2Fe3 (ag)+...
12) 12) Choose the best classification of the reaction represented by the following equation: 2Fe3 (ag)+ Fe(s)3Fe2+(ag) A) oxidation-reduction B) combustion C) decomposition D) precipitation E) acid-base 13) 13) Prozac, a drug prescribed to treat depression, has the formula C17H18F3NO. If a patient was administered 15.0 mg of Prozac, how many moles of Prozac did he receive? [Molar mass: Prozac, 309.36 g/mol] A) 20.6 mol B) 48.5 mol C) 2.92 x 1019 mol D) 4.85x 10-5mol E) 4640 mol 14)...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the statement or answer the questio 1) A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of an): A) combustion reaction B) gas evolution reaction C) precipitation reaction. D) acid-base reaction E) none of the above 2) What are the coefficients for the following reaction when it is properly balanced? _HCl+_Mg _MgCl2+_H2 A) 1.2.1/21 B) 2,1,2,2...
Answer the following. Answers only MULTIPLE CHOICE. Choose the one alternative that best completes the statement...
Answer the following. Answers only
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A physical change A) occurs when propane is burned for heat. B) occurs when iron rusts. C) occurs when glucose is converted into energy within your cells. D) occurs when water is evaporated. E) occurs when sugar is heated into caramel 23 2) A chemical change A) occurs when methane gas is burned. B) occurs when salt is dissolved...
Answer the following. Answers only MULTIPLE CHOICE. Choose the one alternative that best completes the statement...
Answer the following. Answers only
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A physical change A) occurs when propane is burned for heat. B) occurs when iron rusts. C) occurs when glucose is converted into energy within your cells. D) occurs when water is evaporated. E) occurs when sugar is heated into caramel 23 2) A chemical change A) occurs when methane gas is burned. B) occurs when salt is dissolved...
e precipitate that forms when solutions of Na3PO4 and Fe(NO2)3 are mixed? 43) 2) What is...
e precipitate that forms when solutions of Na3PO4 and Fe(NO2)3 are mixed? 43) 2) What is the precini A) Fe3PO4 B) PO4NO3 C) NaFe D) NaNO3 E) FePO4 RUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 44) One atomic mass unit is the same as one gram. 45) In electrolysis, electrical energy is used to drive a non-spontaneous oxidation-reduction reaction to occur. 45) - 46) One mole of iron contains 6.022 x 1023...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
5) How many moles of hydrogen gas are needed to react with oxygen to form one mole of 5) water? 2H2(8) + O268) - 2H20(1) A) 4 mol B) 1 mol C) 2 mol D) 0.5 mol E) 6 mol 6) Incomplete combustion occurs when there is insufficient oxygen to react with a compound. The suffocating gas carbon monoxide is a product of incomplete combustion. How many moles of oxygen gas are required for the complete combustion of 11.0 moles...
m105%20Makeup%20Exam%20(2).pdf 31) 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/I mol B) 1 mol/6.022 1023 atoms C) molar mass D) 6.022 * 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 3 2) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S 32.06 g/mol) A) 6.02 x 1023 atoms B) 2.91 x...
5) Choose the best classification of the reaction represented by the following equation: Pb(NO3)2(ay)+CaClg(ay)-PbCl20)+ Ca(NO3)2(a) A) decomposition B) precipitation C) oxidation-reduction D) acid-base E) combustion 5) 6) 6) Choose the best classification of the reaction represented by the following equation: HBr(ay)+ KOH(ag)KBr(ag) + H20( A) acid-base B) precipitation C) combustion D) combination E) decomposition 7) 7) Magnesium hydroxide, Mg(OH)2, as "Milk of Magnesia" can be used to neutralize excess stomach acid, represented by HCl(ag) according to the chemical equation below....
12) 12) Choose the best classification of the reaction represented by the following equation: 2Fe3 (ag)+ Fe(s)3Fe2+(ag) A) oxidation-reduction B) combustion C) decomposition D) precipitation E) acid-base 13) 13) Prozac, a drug prescribed to treat depression, has the formula C17H18F3NO. If a patient was administered 15.0 mg of Prozac, how many moles of Prozac did he receive? [Molar mass: Prozac, 309.36 g/mol] A) 20.6 mol B) 48.5 mol C) 2.92 x 1019 mol D) 4.85x 10-5mol E) 4640 mol 14)...
Name MULTIPLE CHOICE. Choose the one als HOICL Choose the one alternative that best completes the statement or answer the questio 1) A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of an): A) combustion reaction B) gas evolution reaction C) precipitation reaction. D) acid-base reaction E) none of the above 2) What are the coefficients for the following reaction when it is properly balanced? _HCl+_Mg _MgCl2+_H2 A) 1.2.1/21 B) 2,1,2,2...
Answer the following. Answers only
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A physical change A) occurs when propane is burned for heat. B) occurs when iron rusts. C) occurs when glucose is converted into energy within your cells. D) occurs when water is evaporated. E) occurs when sugar is heated into caramel 23 2) A chemical change A) occurs when methane gas is burned. B) occurs when salt is dissolved...
Answer the following. Answers only
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A physical change A) occurs when propane is burned for heat. B) occurs when iron rusts. C) occurs when glucose is converted into energy within your cells. D) occurs when water is evaporated. E) occurs when sugar is heated into caramel 23 2) A chemical change A) occurs when methane gas is burned. B) occurs when salt is dissolved...
e precipitate that forms when solutions of Na3PO4 and Fe(NO2)3 are mixed? 43) 2) What is the precini A) Fe3PO4 B) PO4NO3 C) NaFe D) NaNO3 E) FePO4 RUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 44) One atomic mass unit is the same as one gram. 45) In electrolysis, electrical energy is used to drive a non-spontaneous oxidation-reduction reaction to occur. 45) - 46) One mole of iron contains 6.022 x 1023...
Most questions answered within 3 hours.
-
A researcher is using a two-tailed hypothesis test with α =
.05 to evaluate the effect...
asked 40 minutes ago -
Two long, straight wires are parallel and 8.5 cm apart. The top
wire carries a current...
asked 1 hour ago -
Three arguments used to promote trade barriers are the national
security argument, the infant-industry argument, and...
asked 2 hours ago -
Question 3:
Percentage of Completion
Method (12 marks) On January 1, 2017, Eagle Construction Ltd.
started...
asked 2 hours ago -
A company purchased a tract of land for its natural resources at
a cost of $2,042,900....
asked 2 hours ago -
1. These financial statement item are
for UPS Company at fiscal year-end, October 31, 2019.
...
asked 2 hours ago -
PYTHON HOMEWORK
When an object is falling because of gravity, the following
formula can be used...
asked 2 hours ago -
Which of the following groups is comprised solely of
chemoheterotrophs?
Click all that apply.
animals
fungi...
asked 2 hours ago -
What is the feminist theory in 100 words or more?
book: Juvenile Justice In America, Clemens...
asked 2 hours ago -
1) What is the probability of a randomly selected value from a
normally distributed population falling...
asked 2 hours ago -
Why is it important for managers to include social
responsibility and environmental responsibility along with goals...
asked 2 hours ago -
THIS IS THE CODE I AM TRYING TO RUN
code
# def main():
#Reading a as...
asked 3 hours ago