10/10/18

The main difference an between an element and a compound

10/10/18

When the following redox equation is balanced in acidic solution what is the coefficient in front of H+(aq)? Ag(s) + NO3-(aq) → Ag+(aq) + NO2(g)

When the following redox equation is balanced in acidic solution what is the coefficient in front of H+(aq)?Ag(s)  + NO3-(aq)  → Ag+(aq)  + NO2(g)

10/08/18

An ice cream cone costs $1.10. The ice cream costs $1.00 more than the cone. How much does the cone cost?

An ice cream cone costs $1.10. The ice cream costs $1.00 more than the cone. How much does the cone cost?

If you have 3 pies, and you want to split them between 4 people how much pie will each person recieve

Each pie will be cut into ________ pieces.          Each person will receive_________ of a pie

10/07/18

Why are hydrocarbons insoluble in water?

Briefly explain in 2 sentences max.

10/07/18

Which of the following functional groups acts most like an acid in water? A) carboxyl B) amino C) carbonyl D) hydroxyl

I got answer D wrong on my homework and would like to know why and could you please explain briefly why the correct answer is right. 

10/07/18

We wish to separate the cations from a mixture containing the following Ra(NO3)2, Mg(NO3)2, and AgNO3. In order to do so we are given K2SO4, K2S, and KOH.

in what order should we add the separate solutions in order to remove the cations by selective precipitatoon? List the precipitates that form

A square window needs a new screen if it has area 85 square inches. what are the dimensions of the square approximated to the nearest tenth of an inch?

85 square inches what is the dimensions of the square approximatrd to the nearest tenth of a inch

The sum of two consecutive integers is -67. Find the integers

Elementary Algebra homework help. 

10/04/18

Question in description

Cobalt (II) chloride [CoCl2) the anhydrate [MW = 129.84] is blue. However, it has a hydrate [MW= 237.93] that has a deep red color, used as an indicator for water. Given the molecular weight of... more

10/04/18

Question in description

As part of the Characterization of a particular hydrated chemical salt, the percent by the weight of waters of hydration was found to be 30.52 %. Given that the molecular weight of water is 18.02... more

Jason has read 75% of the 320 pages in his book, how many pages has Jason read?

Jason has read 75% of the 320 pages in his book, how many pages has jason read?

10/03/18

One phosphorus atom for every three chlorine atoms.

Express your answer as a chemical formula

There are 76 milligrams of choloterol in a 3 ounce serving of skinless chicken. How many milligrams of cholesterol are in 8 onunces of chicken?

There are 76 milligrams of cholesterol in a 3 ounce serving of skinless chicken. How many milligrams of cholesterol are in 8 ounces of chicken?

10/02/18

if 100.0 g of nitrogen reacts completely with excess hydrogen and 34.0 g NH3 are obtained, what is the percent yield of ammonia?

 Ammonia is synthesized commercially from nitrogen has and hydrogen gas for the production of fertilizers:   N2(g) + 3H2(g) -> 2NH3(g)

10/02/18

The sum of 3 consecutive numbers is 1710, find the numbers

There are no additional details 

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