112 Answered Questions for the topic Chemical reactions

Chemical Reactions Chemistry Organic Chemistry Organic

02/08/16

Reactions of amines why butyl amine has a smell
Describe the smell of butyl amine. Can you explain why butyl amine has this smell?
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02/08/16

Equations for carboxylic acid
Write an equation for the reaction of ethyl ethanoate with dilute acid, Write a separate equation for the reaction of ethyl ethanoate with dilute alkali. Which one is the preferred method of... more
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02/08/16

skeletal equation of carboxylic reactions
Write a skeletal equation for the reaction of ethanoyl chloride with phenyl amine (represented as R-NH2). What is the chemical term for the bond formed between the two reagents? What term might... more
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02/08/16

Reactions of Carboxylic acids
Compare the reactions of ethanoic acid and ethanoyl chloride with ethanol. Explain the differences in their reactions.
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02/08/16

Equation for carboxylic acids and their derivatives
Write an equation for the reaction of ethanoic acid with sodium carbonate. How does this reaction compare with that of hydrochloric acid with sodium carbonate?   They look into: What does this... more
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Chemical Reactions Chemistry Organic Chemistry Testing

02/08/16

Equation for carboxylic acids and their derivatives
Write an equation for the reaction of PCl5 with ethanoic acid:   and    How might testing pH followed by the reaction with PCl5 be useful in an analysis of an unknown organic compound?
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Chemical Reactions

01/20/16

WHAT REACTION TAKES PLACE WHEN WE MIX HNO3 WITH HCL OR CH3COOH ?
Please anybody answer my question
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Chemical Reactions Chemistry

12/10/15

unknown chemical contains 0.14 grams calcium, 0.37 grams chromium and 0.39 grams of oxygen. Determine it's empirical formula?
 unknown chemical contains 0.14 grams calcium, 0.37 grams chromium and 0.39 grams of oxygen. Determine it's empirical formula?
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Chemical Reactions Chemistry

12/06/15

Calculating equilibrium pressures--can someone check my math as everything is laid out. I am getting it incorrect.
The equilibrium constant, Kp, for the following reaction is 0.636 at 600 K:COCl2(g) CO(g) + Cl2(g)Calculate the equilibrium partial pressures of all species when COCl2(g) is introduced into an... more
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Chemical Reactions Chemistry

11/30/15

Salt Bridges/anodes/cathodes-with my answers
A standard galvanic cell is constructed with Cd2+|Cd and F2|F- half cell compartments connected by a salt bridge. Which of the following statements are correct? Choose all that apply: A. As the... more
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Chemical Reactions Chemistry Efficiency Chemistry Lab

11/28/15

Reasons which explain why the efficiency of a reaction increases as the average rate decreases?
Reasons which explain why the efficiency of a reaction increases as the average rate decreases? in other words, why does a slow chemical reaction is more effective than quick ones? I done an... more
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Chemical Reactions Science Chemistry Chemical Reaction

11/17/15

How do you balance the chemical equation ___FeCL3+___Na)H=>___Fe(OH)3+_____NaCL
How do i do this? What numbers do i put, how do i know what to put?
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11/16/15

What type of chemical reaction is Mg + H2SO4-->MgSO4 + H2?
What type of chemical reaction is Mg + H2SO4-->MgSO4 + H2?
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11/10/15

Reversible reaction problem
1) What would happen to the amount of products formed in the following equilibrium in the following circumstances (explain your answers)? The forward reaction is endothermic.   CH4(g) + H2O(g) ?... more
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Chemical Reactions Science Chemistry Endothermic

10/20/15

Is citric acid plus baking soda an endothermic reaction?
Please explain if it is endothermic or exothermic?
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08/03/15

The balanced equation for the reaction between sodium oxide and water is
A. Na2O + H2O → 2NaOH B. Na2O + H2O → 2NaH + O2 C. Na2O + H2O → 2Na + H2O2 D. Na2O + H2O → 2Na + H2 +O2   How do I know which reaction will occur?
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08/03/15

Which of the following occurs when a few drops of HNO3 are now added to this system?
2 H+(aq) + 2 CrO4 -2(aq)(yellow) ->Cr2O7 -2(aq) + H2 O (orange) If a few drops of Pb(NO3 )2 solution are added to the equilibrium below, a yellow precipitate of PbCrO4(s) forms.   1) A ppt.... more
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Chemical Reactions Chemistry

05/04/15

How many grams of CS2 can be produced from 750 L of SO2 at STP?
We're working on stoichionmerty in chemistry and I am beyond confused. Any help is appreciated, there's more than one problem including the one stated in the title....  -If 3495 g of CS2 is... more
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Chemical Reactions Chemistry Human Anatomy

04/17/15

The chemical reaction occurring as HCl and NaOH are buffered by a phosphate buffer.
HCl+Na2HPO4 > _______+________   NaOH+NaH2PO4 > ________+________
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Chemical Reactions

04/13/15

If 185.0g of magnesium are recovered from 1000.g magnesium chloride,what is the percentage yield for this reaction
magnesium is obtained from sea water in the following 3 step process. First, calcium hydroxide is added to sea water to precipitate magnesium hydroxide. Then the precipitate is filtered and reacted... more
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04/11/15

Lewis vs. Brønsted vs. Precipitation reaction
Is Ba2+(aq) + SO42-(aq) --> BaSO4(s) a Brønsted acid-base reaction and/or a Lewis acid-base reaction and why? I thought it was Lewis and not Brønsted but apparently that's wrong. Thanks!
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Chemical Reactions Chemistry Formula Solution

03/06/15

What solution could be used to dissolve clothing inside a bowl of water?
I have an invention idea. It's essential though, that cloth or clothing can be dissolved. My idea consists not having to throw this clothing away. My line of thinking is a bowl of water that you... more
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Chemical Reactions

03/04/15

Rates of Reaction between Sodium Thiosulfate and Hydrochloric Acid
I am doing a chemistry experiment investigating the rates of reaction between sodium thiosulfate and hydrochloric acid. Have been asked to make improvements to the temperature and concentration.... more
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Chemical Reactions Science Chemistry Word Problem

02/19/15

The pressure exerted by a gas is 45.0 atm while it has a volume of 475350 cm3. What would be the volume of this sample of gas at standard atmospheric pressure?
The pressure exerted by a gas is 45.0 atm while it has a volume of 475350 cm3. What would be the volume of this sample of gas at standard atmospheric pressure?   must show units, and must be... more
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Chemical Reactions Science Chemistry Word Problem

02/19/15

The pressure exerted by a gas is 4.0 atm while it has a volume of 652 cm3. What would be the volume of this sample of gas at standard atmospheric pressure?
must show units, and must be rounded to the correct number of significant digits. Pressure for STP in atmospheric units (atm) is 1.0, STP for kilopascals (kPa) is 101.3 kPa:    The pressure... more
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