05/01/17

Calculate the boiling point, in degrees celsius (°C), of a 4.2mole/kg aqueous solution of Al(NO3)3. Assume you are at sea level.

Calculate the boiling point, in degrees celsius (°C), of a 4.2mole/kg aqueous solution of Al(NO3)3. Assume you are at sea level. Round your answer to three significant figures. Include the unit in... more

What percent of the second dressing was vinegar?

Jeanie combined .55L of 90% vinegar dressing with .45L of another dressing to to make 1L of dressing with 60% vinegar.

05/01/17

A storage tank contains carbon-18, a radioactive element with a half-life of 530 years

Let f(t) be the percentage of carbon-18 that remains at t years since the element was placed in the tank   a)Find an equation of f   b)Predict the percentage of carbon-18 remaining after 100 years more

common denominator between 8,3,6

3 5/8 + 1 2/3 +1/6

05/01/17

what is the percentage by mass of NaCl in a saturated solution of sodium chloride at 50 degrees celsius

I need to show work but I do not know how to work this problem out

05/01/17

36/9*4- square root of 81

what is the answer please

05/01/17

Please help solve for (science)

Please help solve for (science)Place the letter of your choice of answer in the blank next to the number. Answers can be used more than more or not at all.A.RELEASEB.PARTICLE SIZE/C.CHEMICAL... more

If franks has 17 dimes and nickels in his pocket, and they have a combined value of 125 cents, how many of each coin does he have

i would like to know the answer to this question as soon as possible. 

What's the difference between specific heat and thermal capacity?

Both specific heat and thermal capacity are the amounts of heat needed to raise the unit temperature of a body. So what's the difference between them?

04/30/17

Volume and time question

Ethan is ready take a bath.  The bathtub at his home can hold 500 Liters of water.  Water flows from the tap at a constant rate of 50 Liters per minute.  Ethan turned the water on while waiting to... more

Secondary hypertension

Secondary hypertension may be classified as idiopathic. is the uncontrollable, severe, and rapidly progressive form of hypertensive disease. may develop as a complication to a renal disease such as... more

ou mix 40mL of 0.100M Na2CO3 with 40mL of 0.025M CuCl2. How much copper remains in solution?

If you titrate the excess carbonate with .10M HCl what is the equivalence volume

04/29/17

Six divided by two multiplied by one plus two inside parentheses -6÷2(1+2)-

I need to prove to a friend that I had the right answer but she says calculators are wrong too, so.... I'm asking a math teacher person.

04/28/17

concrete block is shown. Note that the walls for the block are 1 inch (2.5 cm) thick. If the block has a mass of 12,150 g, what is the block's densi

A concrete block is shown below. Note that the walls for the block are 1 inch (2.5 cm) thick. If the block has a mass of 12,150 g, what is the block's density

Which of the following products is made from petroleum?

A. Aggerate B.plastic C.nickel D.cardboard

Please help with fraction breakdown

A bookshop owner adds three tenths to the price of each book he sells to a customer. If a new book costs the customer $15.60, how much did it cost the bookshop owner?

04/28/17

Mourn:loss as celebrate is to what

Mourn:loss::celebrate:what

04/27/17

word problem

A 30% salt solution is mixed with a 65% salt solution. Which of the following are not possible for the percent concentration of the resulting solution? (Select all that apply.)

N2(g) + 3H2-> 2NH3(g) How many grams of ammonia (NH3) can be produced from the reaction of 28.0 g of N2 and 25.0 g of H2?

 Need Chemistry help, I do not understand absolutely nothing!

04/27/17

To what volume would you need to dilute 50.0 of a 18 M H2SO4 solution to make a 3.0 M solution?

Please help me solve this and provide an explanation on how to please

04/27/17

To what volume would you need to dilute 50.0 of a 18 M H2SO4 solution to make a 3.0 M solution?

Please help me solve this and also an explanation of how to would be great

04/27/17

a shipment of sugar fills 2 2/9 comtainers.if each container holds 2 1/5 tons of suger, what is the amount of sugar in the entire shipment?

a shipment of sugar fills 2 2/9 comtainers.if each container holds 2 1/5 tons of suger, what is the amount of sugar in the entire shipment?

Pre-Algebra Story Problem.

A store window has a perimeter of 18 feet. The width is 6 feet. Find the length and the area.

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