05/06/18

define diffusion
give a brief description of hydrochloric acid and ammonia
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05/06/18

If you mix 200 ml of 1.0x10-4 M Ba(NO3)2 and 500ml of 8.0x10-2M H2SO4, what will be observed?
 For BaSO4, the Ksp=1.1x10-10
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05/06/18

why potassium hydroxide do not react with sodium sulfate
why warm potassium hydroxide do not react with sodium why it react with aluminium oxide?Alkali can react with base?
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05/05/18

Solving applications of Boyle’s Law
a marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in a spherical air tank that measures 78.0 cm wide. The biologist estimates she... more
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05/05/18

Calculating mole fraction in a gas mixture
a 6.00 L tank at -28C is filled with 5.35 g of sulfur hexafluoride gas and 2.54g of sulfur tetrafluoride gas. You can assume both gasses behave as ideal gasses under these conditions. Calculate the... more
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05/05/18

IN A REDOX REACTION BETWEEN HYDROGEN AND NITROGEN TO FORM AMMONI.
A) HYDROGEN GAINS ELECTRONS. B) NITROGEN GAINS ELECTRONS. C) HYDROGEN IS REDUCED. D) NITROGEN IS OXIDIZED. E) none  
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05/05/18

What is specific heat and what are some examples of it
As you study more science you will discover that water has many unique properties. One of those os the amount of heat required to increase the temperature of water as compared to most other... more
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05/05/18

What mass of ammonia can be made from 20.0g of hydrogen?
3H2 + N2 = 2NH3
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05/05/18

A gas at 3.2 atm and 225 K is heated to 273 K. What is the new pressure in atm? (When entering your answer enter only a number; do not enter text or units. Ensu
A gas at 3.2 atm and 225 K is heated to 273 K. What is the new pressure in atm? (When entering your answer enter only a number; do not enter text or units. Ensure your answer conforms to rules... more
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05/04/18

1 C3H8 + 5 O2® 4 H2O + 3 CO2 32 grams of propane (C3H8) is burned in excess oxygen gas to produce how many grams of water?
a52.4 b26.8 c37.6 d13.7
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05/04/18

Why can Na conduct electricity more than Lithium
I am a student in form two ,fifteen years old.I am a Kenyan 
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05/03/18

a 250ml, 3 M solution of silver acetate is concentrated to a 12 M solution, what is the new volume?
a 250 ml,3 M solution of silver acetate is concentrated to a 12 M solution , what is the new volume
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05/03/18

a 250ml, 3 M solution of silver acetate is concentrated to a 12 M solution, what is the new volume?
A 250 mL, 3 M solution of silver acetate is concentrated to a 12 M solution, what is the new volume? 
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05/03/18

Chemistry question
Which of the following statements about solutions is incorrect? - It is possible to have solutions in which both solute and solvent are solids  - The properties of a solution change as the ratio... more
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05/03/18

Chemistry problem
Two (2.00) liters of a 6.00 M solution would contain 12.0 moles of solute?  True or False?
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05/03/18

Chesmitry question
A solution of concentration 7.6%(m/v) contains 7.6 g of solute per liter of solution?  True or False? 
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05/03/18

Chemistry question
A solution with just two components must always be a liquid?  True or False?
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05/03/18

What are some observations from burning splint test with hydrogen
What are some observations from burning splint test with hydrogen
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05/03/18

Chemistry problem
How many grams of NaOH are present in 5.0 mL of 1.0%(m/v) NaOH solution?
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05/03/18

What is the volume of 2.3 mol sample of Fluorine at STP?
What is the volume of 2.3 mol sample of Fluorine at STP?
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05/03/18

Why do metals conduct electricity use the concept of ionziation in your answer
Chemistry concept
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05/03/18

How many grams of MgCl2 will be produced from 12.0 g of Mg(OH)2 and 42.0 g of HCl?
just need help
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05/03/18

How many milliliters of 5M NaOH are required in order to neutralize 2 liters of 3M H2SO4?
How many milliliters of 5M NaOH are required in order to neutralize 2 liters of 3M H2SO4? 600ml 2400ml 1200ml 1400ml
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05/02/18

If I have 6.00L of 5.5M hydrochloric acid and I want to dry it out, how many grams of HCl will I have?
I’m trying to find grams 
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05/02/18

The opening between the stomach and duodenum is called ___
The opening between the stomach and duodenum is called __
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