Roger the Mole

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回覆: 3

2017-05-12 6:29 am

Calculate the density of C8H18 (octane gas) bring transported at:?

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回覆: 2

2017-05-10 8:01 am

what volume will 2.0 moles of nitrogen occupy at 720 torr and 20 degrees C?

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回覆: 2

2017-05-10 7:44 am

how many moles of oxygen will occupy a volume of 2.5 liters at 1.2 atm and 25 degrees C?

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回覆: 1

2017-05-10 6:27 am

02 gas occupies 2300 mL at 825 torr and 70 degrees C. What is its new volume at STP? Determine the gas law that is required.?

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回覆: 1

2017-05-10 6:26 am

Chlorine gas occupies 0.575 liters at 1.50 atm and 125 degrees C. At what pressure will the volume be 0.300 liters if the temp is constant?

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回覆: 1

2017-05-10 6:18 am

butane gas occupies 8.25 liters at STP. What will be the new volume of the sample if the conditions are changed to 735 mmHg & 20 degrees C?

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回覆: 3

2017-05-10 1:28 am

How to know what kind of alcohol a compound is? Primary, secondary or tertiary?

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回覆: 3

2017-05-10 12:43 am

Gas has a volume of 135mL at 0.600atm. What would be the volume if the pressure is decreased to 0.200atm while temperature is held constant?

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回覆: 2

2017-05-09 11:50 pm

Determine if a solution containing [H+] = 1.5 x 10 (to the -10 power) is acidic, basic or neutral?

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回覆: 1

2017-05-08 8:37 am

Determine which of the gas laws is required to solve each of the following problems. Express answers in correct sig figs and units.?

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回覆: 3

2017-05-04 7:27 am

convert 3.25kPa to mmHg?

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回覆: 2

2017-05-04 7:25 am

convert 150kPa to mmHg?

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回覆: 2

2017-05-04 7:22 am

Convert 250.0 kPa to mmHg?

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回覆: 1

2017-05-04 7:22 am

convert 1.25 atm to mmHg?

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回覆: 2

2017-05-04 7:20 am

convert 0.500 atm to mmHg?

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回覆: 1

2017-04-29 6:42 am

A student mixes 2 solutions of PCl^3, beginning at 22 degrees C to form a final solution with a mass of 36 g at 45 degrees C.heat change inJ?

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回覆: 2

2017-04-26 9:33 am

What pressure is required to achieve a CO2 concentration of 9.90×10−2M at 20∘C?

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回覆: 6

2017-04-25 11:17 pm

What are the reactants and products of CaCO3 ----> CaO + CO2 ? How do you figure that out?

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回覆: 1

2017-03-01 9:33 am

What is the difference between ionization and dissociation in dissolving?

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回覆: 1

2017-02-28 2:49 pm

What is Mg(OH)2?

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回覆: 1

2017-02-05 12:58 am

Convert 1mH2O to mmHg. Show all calculations.?

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回覆: 3

2016-12-24 12:09 am

Which one has high rate of evaporation petrol or alcohol? Why?

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回覆: 2

2016-12-22 12:00 am

This question is related to stoichiometry?

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回覆: 3

2016-12-17 8:25 am

How would I get the answer to this SAT math subject level 1 question?

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回覆: 2

2016-12-16 7:12 am

How many carbon dioxide molecules are there in 8.58 moles of carbon dioxide?

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回覆: 1

2016-12-16 2:00 am

How many kilojoules of heat are released into your skin if your arm comes in contact with 23.0g of steam. Temp of arm 37 c?

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回覆: 2

2016-12-13 12:26 pm

How many milliliters of 0.750 M H2SO4 solution is needed to react with 55.0 mL of 2.50 M KOH solution?

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回覆: 2

2016-12-13 12:21 pm

How many grams of barium sulfate are produced if 25.00mL of 0.225 M BaCl2 completely react given the reaction:?

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回覆: 1

2016-12-08 2:09 am

A sample of argon gas has a volume of 765 mL at a pressure of 1.34 atm and a temperature of 114 ∘C.?

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回覆: 2

2016-12-08 2:01 am

A sample of air at 50. ∘C and 800. mmHg is cooled to give a pressure of 740. mmHg.?

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回覆: 1

2016-12-08 1:55 am

Chemistry Help?

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回覆: 3

2016-12-05 6:43 am

Hi, Is this correct? Please explain why. Thank you soon much!?

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回覆: 2

2016-12-05 5:39 am

estimate the pH of a solution that is 0.10 M Sr(OH) a.very acidic b slightly acidic c. slightly basic d. strongly basic?

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回覆: 1

2016-12-02 8:12 pm

What are some thing made out of titanium and can titanium be dyed?

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回覆: 10

2016-12-02 7:54 pm

Does titanium rust?

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回覆: 1

2016-11-30 3:53 pm

In a constant-pressure calorimeter, 70.0 mL of 0.310 M Ba(OH)2 was added to 70.0 mL of 0.620 M HCl. The...?

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回覆: 1

2016-11-29 3:51 am

joules needed to melt 20.0 g of ice at 0 ∘C and to warm the liquid to 40.0 ∘C?

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回覆: 4

2016-11-26 7:12 am

What is the mass in the original mixture?

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回覆: 2

2016-11-24 7:47 pm

Help with year 1 chemistry!! Answer whichever one you know!! PLS!!!!!?

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回覆: 1

2016-11-24 5:43 am

When 25g of KClO3 decomposes how many L of O2 gas are formed at STP?

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回覆: 1

2016-11-24 1:47 am

Grade 11 stoichiometry help???

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回覆: 2

2016-11-21 4:14 pm

-32.0 °C, 4.96 L sample of mustard gas at 0.994 atm of pressure. What is the pressure, in atm, of that gas if compressed 1.92 L?

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回覆: 2

2016-11-19 4:57 am

If a solution containing 84.670 g of mercury(II)chlorate .....?

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2016-11-16 4:19 pm

Which is the smallest atom? A. Rubidium (Rb) B. Lithium (Li) C. Potassium (K) D. Sodium (Na)?

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2016-11-16 2:59 am

Can chemical equations be unbalanced? If so give me an example, please.?

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回覆: 7

2016-11-03 10:48 pm

Simultaneous equation: 2x+3y=8 7x+2y=12?

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回覆: 1

2016-10-29 2:37 am

Nitric acid was first prepared by heating sodium nitrate with sulfuric acid and collecting the vapors produced. Calculate?

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2016-10-29 2:01 am

The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103 Calories.?

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2016-10-26 8:56 am

my question is how can we convert the NITROGEN gas volume from nm3 to m3 ?

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回覆: 1

2016-10-22 6:04 pm

What products are formed when methane undergoes INCOMPLETE combustion?