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Questions (22)

Which of the following is covered by copyrightA.Music B. Books*** C. Website content D. All of the above
1. 1 answer
2. 877 views
You have a stock solution of 5.0 M H2SO4. How many mL of stock solution are required to make 136 mL of 1.6 M H2SO4 solution
1. 3 answers
2. 442 views
What volume(ml) of 8.0 M solution is required to make 134.3 ml of 1.2 M solution
1. 0 answers
2. 364 views
A 2.5% KCl solution is prepared by dissolving enough of the salt to give 181.4 g of solution. What mass (g) of water is
1. 0 answers
2. 438 views
What is the molarity of a sucrose solution that contains 76.7 g of C12H22O11 (342.34 g/mol) dissolved in 138.2 mL of solution
1. 0 answers
2. 476 views
What is the molarity of a saline solution that contains 3.6 g NaCl (58.44 g/mol) dissolved in 100.0 mL of solution?
1. 2 answers
2. 676 views
What is the mass (g) of nickel(II) nitrate (182.71 g/mol) dissolved in 160.4 mL of 0.100 M Ni(NO3)2 solution?
1. 0 answers
2. 555 views
How many grams of Na2CO3 can be found in a 273 mL sample of 0.5 M solution
1. 0 answers
2. 359 views
A hospital glucose solution is analyzed to verify its concentration. A 10.0 mL sample with a mass of 10.886 is evaporated to
1. 0 answers
2. 584 views
2Mg + O2 �¨ 2MgOHow many grams of MgO are produced when 79.5 grams of O2 react completely with Mg according to this equation?
1. 0 answers
2. 873 views
What mass(g) of hydrogen gas is produced by decomposing 179.1 g of water. Round your answer to one decimal place.2 H2O(s) --> 2
1. 0 answers
2. 437 views
What mass (g) of water is produced by the combustion of 48.8 g of propane according to the following reaction? Round your answer
1. 0 answers
2. 427 views
What mass (g) of magnesium chloride (MgCl2) must react with sulfuric acid (H2SO4) to release 890.2 ml of Hydrogen chloride (HCl)
1. 0 answers
2. 603 views
Your space ship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled
1. 2 answers
2. 1,253 views
A balloon from the local toy store has a volume of 6.6 liters and an internal pressure of 2.4 atmospheres at 22°C. How many
1. 1 answer
2. 455 views
A sample of gas has a volume of 8.1 liters at 1 atmosphere pressure and 203.0 K. What is its volume (liters) at STP?
1. 1 answer
2. 510 views
A sample of gas with a volume of 14.9 liters at 2.6 atmospheres pressure and a temperature of 25°C is allowed to expand to a
1. 2 answers
2. 539 views
A small cylinder of compressed gas has a volume of 396.6 ml and contains 47.9 g of CO2 at 25°C. What is the pressure (atm)
1. 1 answer
2. 472 views
A 3.0 L volume of methane gas is cooled from 59.4°C to 30.0°C. If the pressure remains constant, what is the final volume (L)?
1. 1 answer
2. 427 views
If a gas has a pressure of 3.0 atm at 12.8°C, what is its pressure (atm) at 25.9°C?
1. 1 answer
2. 368 views
If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what volume (ml) will it occupy at a pressure of 316.8 torr.I
1. 1 answer
2. 750 views
Explain Why charged particles do not penetrate matter deeply
1. 1 answer
2. 986 views

Answers (5)

Not when I do not have a book that is cooperating with me. I have an online course and my book keeps freezing so I am unable to look anything up to make sure I am doing these equations and formulas right.
10 inches divded by 31 equals 0.3225 inches per day. I am sure you can round this to the nearest hundreth.
No problem
B is right
-2x+9x-4 = 7x-4

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