Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 17

**chemistry**

A student decomposes water to produce hydrogen and oxygen. If the student begins with 34.7 g of water and collects 24.9 g of oxygen, what is her percent yield?

**chemistry**

an original sample of K-40 has a mass of 25.00 grams. After 3.9x 10 to the ninth years, 3.125 grams of the original sample remains unchanged. What is the half-life ok K-40 in minutes? Is it 6.8328 x 10 to the 14th

**Physics**

An escalator in a department store is driven by a large electric motor whose power consumption changes with the load to keep the escalator moving at a constance velocity, up to a certain maximum power capacity. An escalator working at 0.22 of its maximum power capacity lifts 1...

**Physics**

Much of the time and expense in drilling an oil well goes into changing the drill bit as it wears out. the drilling pipe must be pulled up and disassembled one section at a time in order to pull the drill bit out of the hole and replace it. A pipe 0.65 miles long weighs 2,400 ...

**Physics**

A small boy is flipping a piece of cake across the lunch room at school. He uses a fork as a catapult by holding the handle on the table and pressing on the back of it with his thumb. Only part of the energy delivered to the fork goes into the accelerating the cake, however, a...

**Math**

Jake spent 3/8 of is money on books and 1/2 of what is left on magazine. he now has $6.25. how much did he start with?

**algebra**

solve 3(x-2)+4x=-27

**english**

change of narration in "we are not afraid to die...if we can all be together

**mat/116 week 9 final exam**

-20<3x-7-2=

**mat/116 week 9 final exam**

what is the like term of 11c+4d-9c-7d=

**geometry**

How do you construct a quadrilateral with two pairs of parallel sides of length 4 cm and 6 cm and one pair of opposite angles each measuring 123 degrees

**Business Law**

Miguel buys a truck in Texas and then moves to Washington. A year later, he is driving his truck in Oklahoma, and causes an accident by running into another car, whose driver is from Florida. In what states will the other driver be able to sue Miguel? State the reasons for you...

**accounting**

A new company called Bloomner construct, buys and sells furniture. During January the following happens: 1. The owner of the company pays in $50 000 into the cash, as starting capital. 2. The bank grants the company a bank loan of $40 000, the interest is 15 % annually and the...

**R.S**

why might christians have problems with transplant surgery? i need two diffrent christians views and a example involing mary and josie (simese twins one had to be killed for the other to survive) and why this caused problems.

**French**

I am looking for some fun facts to put on my powerpoint about La Route du Rhum. Does anyone have any ideas?

**SAT**

Books are important in learning. There the main mode that we base things off of when learning or teaching but there are also other modes are learing that make it eaisier for some people to learn. I think that you need a variety of modes to learn everything fully. Along with a ...

**Psychology**

Discuss the physiological myths about hunger and satiety.

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