09/07/20

Please help me on this question

Your book describes several great reasons why it is important to study chemistry. If you had the authority to designate federal money to be spent on a specific type Of scientific research, what... more

08/31/20

Chemistry (do you know the answer)

Convert the (US) price of gas of $2.26/gallon into (British) ₤/L. Hints: 1 ₤ = $1.35; 1 gallon = 3.785 L.  Do not include units in your submitted answer.

08/31/20

Finding the desnity of a cylinder.

If a cylinder has a mass of 18.426g, a diameter of 1.34cm, and a height of 6.48cm, what is the density of the cylinder?

How do I become a tutor?

I am interested in using my knowledge as a tutor for local students. I am a degreed engineer, and I am now retired. I have tutored friends in the past, and now I am interested in doing the same... more

07/29/20

What’s the simple interest?

Find the simple interest rate on a loan if $130 is borrowed for 4 years and the balance ​after 4 years is $171.60. 

07/29/20

Cooking and baking

I'm looking at a recipe for some thing and it says for 4 servings you use eight eggs and 1/4 cups of milk I'm using three eggs instead so do any of you guys know how much milk I should use.

07/29/20

How many grams of H2O2(l) would have to react to produce 28.9 kJ of energy?

The following thermochemical equation is for the reaction of hydrogen peroxide(l) to form water(l) and oxygen(g). 2H2O2(l)2H2O(l) + O2(g)    H = -196 kJ How many grams of H2O2(l) would have to... more

Today only, a suit is being sold at a 28% discount.

Today only, a suit is being sold at a 28% discount. The sale price is $588. What was the price yesterday?

07/29/20

How much is the total cost of the video game? How much is tax on the system?

brand new video game system sells for $299. If the sales tax rate is 8.25%, how much​is the tax on the system? How much is the total cost of the video game system?

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