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A gas cannister, in which the pressure is initially 1.50 atm at 30°C, is refrigerated until the internal pressure is 1.31 atm.

What will be the new temperature, in °C, inside the cannister?

 4NH3(g) + 3F2(g) ” src=”http://loncapa.net/res/sfu/batchelo/Gallery/rarrow.gif” align=”middle”> NF3(g) + 3NH4F(s)

According to this equation, what volume of F2(g) at 40°C and 2.00 atm is required to react completely with 1.16 L of NH3(g) at 15°C and 1.25 atm?

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1,According to this equation, what volume of F2(g) at 40°C and 2.00 atm is required to react completely with 1.16 L of NH3(g) at 15°C and 1.25 atm?

2,What is the molarity of a 81.8-mL KCl solution which contains 7.66 g of KCl?

3,Calculate the molarity of the following aqueous K2SO4 solution: 4.31 moles of K2SO4 in 1.07 L of solution.

4,Calculate the molarity of the following aqueous HBr solution: 7.47 moles of HBr in 1.02×103 mL of solution.

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2NaCl + 2H2O → 2NaOH + H2 + Cl2

2Fe + 3Cl2 → 2FeCl3

Assuming that all the chlorine generated in the first step is consumed in the second step, what mass of NaCl is needed in the first step to produce 39.2 g of FeCl3 in the second step?

A solution is made by dissolving 5.37 g of MgCO3 into enough water to make 575 mL of solution. What is the molarity of the solution?

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2NH4NO3 ” src=”http://loncapa.net/res/sfu/batchelo/Gallery/rarrow.gif” align=”middle” style=”font-size: 13px; font-style: normal; font-variant: normal; font-family: Verdana, Arial, Helvetica, sans-serif; color: rgb(0, 0, 0);”> 2N2 + O2 + 4H2O

What mass of N2 can be formed from the decomposition of 16.9 g of NH4NO3?

What mass of O2 can be formed from the decomposition of 16.9 g of NH4NO3?

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1,A solution is made by dissolving 5.37 g of MgCO3 into enough water to make 575 mL of solution. What is the molarity of the solution?

write wheter it is physcal or chemical change

Alcohol evaporates.
Dynamite explodes.
Hydrogen and oxygen react to form water.
Nitrogen dioxide is produced when copper is added to nitric acid.

Natural gas burns in a furnace .

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## Which of the following is a neutralization reaction? Science Assignment Help

Fe2O3 + HCI —> FeCI3 + H2O

Pb(NO3)2 + 2 KI —-> PbI2 + 2 KNO3

AgNO3 + HCI —-> AgCI + HNO3

NaOH (aq) + HCI (aq) —-> NaCI (aq) + H2O (L)

Which of the following is a neutralization reaction? Science Assignment Help[supanova_question]

## I need help with a math problem Mathematics Assignment Help

On January 1, 2011, The Hamilton Corporation issued \$35,250 of 8%, 5-year bonds at 97. Hamilton uses the straight-line method of bond discount amortization. The interest payments are due on December 31 each year.

Based on the above, how much interest expense will Hamilton report on its income statement on December 31, 2011?

A) \$212
B) \$1,058
C) \$2,820
D) \$3,032

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## I need help with a math problem Mathematics Assignment Help

On October 1, 2010 Macklin Corporation issued 5%, 10-year bonds with a face value of \$1,000,000 at 104. Interest is paid on October 1 and April 1, with any premiums or discounts amortized on a straight-line basis.

Bond interest expense reported on the December 31, 2010 income statement of Macklin Corporation would be
a. \$11,500
b. \$12,500
c. \$13,500
d. \$23,000

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## I need help with a math problem Mathematics Assignment Help

On October 1, 2010 Macklin Corporation issued 5%, 10-year bonds with a face value of \$1,000,000 at 104. Interest is paid on October 1 and April 1, with any premiums or discounts amortized on a straight-line basis.

The entry to record the issuance of the bonds would include a credit of

a. \$25,000 to interest Payable.
b. \$40,000 to Discount on Bonds Payable.
c. \$960,000 to Bonds Payable.
d. \$40,000 to Premium on Bonds Payable.

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## Prepare all journal entries that Morten Corporation would make. Mathematics Assignment Help

ON January 1, 2010, Morten Corporation issued \$4,000,000, 9%, 5-year bonds dated January 1, 2010, at 96. The bonds pay semiannual interest on January 1 and July 1. The company uses the straight-line method of amortization and has a calendar year end

Prepare all journal entries that Morten Corporation would make related to this bond issue through January 1, 2011.

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