05/22/21

If 19.10 grams of zinc react with 21.6 grams of iron (iii) chloride, how many grams of iron is prouced? How many grams of excess reactant remains?
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05/21/21

Convert from mass to moles
0.50g calcium hydroxide397.6g aluminum sulfate
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05/21/21

I NEED HELP ASAP PLEASE
For the following reaction, 5.11 grams of hydrogen gas are allowed to react with 10.9 grams of ethylene (C2H4) .hydrogen(g) + ethylene (C2H4)(g)  ethane (C2H6)(g)What is the maximum mass of ethane... more
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05/21/21

chemistry question
N2 + 3H2 —> 2NH3How many moles of N3 are needed to make 300 grams of ammonia (NH3)?
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05/21/21

If 93.4 grams of aluminum react with copper (II) nitrate to produce aluminum nitrate and copper, how many grams of copper can be produced during this reaction?

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05/21/21

What pressure is required to compress 196.0 liters of air at 1.00 atm into a cylinder whose volume is 26.0 liters? (7.5 L)
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05/21/21

What mass of decane (C10 22 ) must burn in oxygen to produce 17.3 moles of carbon dioxide ?

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05/21/21

If 7.6 moles of magnesium react with excess oxygen, how many moles of magnesium oxide can be produced?
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05/20/21

Chemistry question

What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? How many moles of the excess... more
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05/20/21

What is the greatest amount of SiF4 in grams that can be produced 48grams of HF and 92grams of SiO2? Which reactant is limiting? How many grams of the excess reactant will be left after the reaction?
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05/20/21

What is the greatest amount of silicon tetrafluoride in grams that can be produced 48 grams of HF and 92 grams of SiO2? Which reactant is limiting? more in the description

How many grams of the excess reactant will be left after the reaction?SiO2 + 4 HF  SiF4 + 2 H2O
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05/20/21

ow many grams of water are formed when 45 moles of sulfuric acid react with 50 moles of sodium hydroxide? Which reactant is limiting? more in the description

How many moles of the excess reactant will be left after the reaction?H2SO4 + 2 NaOH  Na2SO4 + 2 H2
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05/20/21

1. What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? more in the description

How many moles of the excess reactant will be left after the reaction? CuCl2 + 2 NaNO3 Cu(NO3)2 + 2 NaCl
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05/20/21

How many molecules are in 20 grams of NH3?

How do I get moles and molecules of NH3?
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05/20/21

57. Calculate the molecular formula of a compound with the empirical formula CH2O and whose molar mass is 150 g/mol. (SHOW WORK)
57. Calculate the molecular formula of a compound with the empirical formula CH2O and whose molar mass is 150 g/mol. (SHOW WORK)
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05/20/21

how many grams of sulfuric acid (H2SO4) would be required to make 2.5 moles of water?
how many grams of sulfuric acid (H2SO4) would be required to make 2.5 moles of water?
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05/20/21

Suppose you receive for graduation a gift of $1200 from your favorite relative. You are required to invest at least $800 of the gift in a no-withdrawal savings program for at least two years.
Plan A: First Savings Bank (FSB) pays 6% interest, compounded annually on savings accounts. Employee's Credit Union (ECU) has options that allow you to choose your interest rate and how often your... more
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05/20/21

Use any method to determine the volume of the solid of revolution described.
y = -x +1 , y = x +1 , y = 0 , rotated about the line x = -2
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05/20/21

A cannon fires a cannonball (from ground level) with an inital velocity of 300 feet per sec with an angle of inclination of 50°.
A cannon fires a cannonball (from ground level) with an inital velocity of 300 feet per sec with an angle of inclination of 50°.1. Find the parametric equations that describe the position of the... more
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05/20/21

question practice chemistry

1.      What is the greatest amount of sodium chloride in moles that can be made with 13 grams copper II chloride and 15 grams sodium nitrate? Which reactant is limiting? How many moles... more
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05/19/21

What is the wavelength of a wave with a frequency of 101,050 Hz? c=𝜆𝜈
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05/19/21

What are the coordinates of the point on the directed line segment from (−4,−9) to (1,1) that partitions the segment into a ratio of 3 to 2?
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05/19/21

i need help please
1)A sample of helium gas has a volume of 303 mL at 0.5 atm. What pressure is needed to reduce the volume at constant temperature to 52 mL? Answer in units of atm.2)A gas has a pressure of 1.7 atm... more
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05/19/21

Write the equation, in standard form, of an ellipse whose major axis has endpoints of (3,1) and (3,11) and whose minor axis is 2 units long.
Write the equation, in standard form, of an ellipse whose major axis has endpoints of (3,1) and (3,11) and whose minor axis is 2 units long.
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05/19/21

how many grams of CO2 will a car use if 883,400 grams of octane (C8H18) is being used? (grams C8H18 → grams CO2)
if a car uses 1,750,000 grams of octane, how many grams of CO2 is being used? is there a certain equation?
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