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In a 2.86E+1 g sample of NaHCO3, how many grams of sodium are present? Use two...
How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number...
How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") How many moles of oxygen atoms are in 5.3E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. .- Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places in atomic masses. Only give the numeric value of your answer. o Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") Type your response
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION Determine the molar (M) concentration of a solution made...
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION
Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...
answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous...
answer with two sig figs scientific notation
QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
How many moles of oxygen are in 8.9E-1 moles of CO_2 2 ? Only give...
How many moles of oxygen are in 8.9E-1 moles of CO_2 2 ? Only give the numeric value of your answer. Don’t include the units. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)
How many moles are there in 4.571E+1 g of chlorine (Cl)? Respond with the correct number...
How many moles are there in 4.571E+1 g of chlorine (Cl)? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)
HQ3.01 Homework - Unanswered How many moles of oxygen atoms are in 9.2E-1 moles of CO2?...
HQ3.01 Homework - Unanswered How many moles of oxygen atoms are in 9.2E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g.2.585 for 2.5 x 10") Numeric Answer
If a gas occupies 12 L at 3 atm, how many liters will it occupy at...
If a gas occupies 12 L at 3 atm, how many liters will it occupy at 9 atm if the temperature is not changed? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10⁵)
In a FRET experiment, if a donor-acceptor distance is 12% longer than the Förster distance, what...
In a FRET experiment, if a donor-acceptor distance is 12% longer than the Förster distance, what is the efficiency of FRET expressed as a fraction? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10") Numeric Answer:
Trinitrotoluene (TNT), the explosive used in dynamite, decomposes according to this reaction. 2C7H5N306(s)—700(g) + 7 C(s)...
Trinitrotoluene (TNT), the explosive used in dynamite, decomposes according to this reaction. 2C7H5N306(s)—700(g) + 7 C(s) + 5 H2O(g) +3 N2(g) In mining operations dynamite is sometimes used to remove excess rock. For this procedure the dynamite is placed in a drill hole having a volume of about 1.5 L. Calculate the total gas pressure produced when 1.00 lb of TNT is detonated? under these conditions. TNT detonation temperature is 3500 K. Respond with the correct number of significant figures...
How many atoms of hydrogen are in 2.22E+1 g of methane? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") How many moles of oxygen atoms are in 5.3E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. .- Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit...
What is the formula mass of sodium chloride (in units of g/mol)? Use two decimal places in atomic masses. Only give the numeric value of your answer. o Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5e5 for 2.5 x 10") Type your response
USE CORRECT SIG FIGS AND SCIENTIFIC NOTATION
Determine the molar (M) concentration of a solution made by dissolving 7.714E1 g of CaCl2 in sufficient water to make 250.0 mL of solution. Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimale.g. 2.5E5 for 2.5 x 105) Numeric Answer: Determine the number of grams of potassium permanganate present in 5.25E1 mL of a 0.250 M KMnO4(aq) solution. 0 Respond with the...
answer with two sig figs scientific notation
QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
HQ3.01 Homework - Unanswered How many moles of oxygen atoms are in 9.2E-1 moles of CO2? Only give the numeric value of your answer. Don't include the units. Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimale.g.2.585 for 2.5 x 10") Numeric Answer
In a FRET experiment, if a donor-acceptor distance is 12% longer than the Förster distance, what is the efficiency of FRET expressed as a fraction? Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 10") Numeric Answer:
Trinitrotoluene (TNT), the explosive used in dynamite, decomposes according to this reaction. 2C7H5N306(s)—700(g) + 7 C(s) + 5 H2O(g) +3 N2(g) In mining operations dynamite is sometimes used to remove excess rock. For this procedure the dynamite is placed in a drill hole having a volume of about 1.5 L. Calculate the total gas pressure produced when 1.00 lb of TNT is detonated? under these conditions. TNT detonation temperature is 3500 K. Respond with the correct number of significant figures...
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