Thursday
July 24, 2014

Posts by kiesha


Total # Posts: 28

physics
Julie throws a rock vertically upward. From a height of 64.0 meters above thehow ground. The initial velocity of the rock is 31.0 meters per second neglect air resistance How long does it take for the rock to hit the ground? What is the velocity of the rock just before it hit ...

phi 103
Provide a scientific hypothesis and explain how one might go about testing it, either by confirming the hypothesis or using karl poppers strategy of discofirmation. Also, which are the two strategies are better

english composition
cousers journal

child psychology
early childhood practitioners now know that in addition to cognitive factors there are social factors that impact school readiness. Describe at least two social factors that impact school readiness.

math
if a company's total assets are $510,000 and its total liabilities are $420,000 what is the amount of its stockholders equity?

math
roger has three employees who earn $500, $550, and $700, respectively. How much does roger owe for SUTA and FUTA in the first 12 weeks? Assume a SUTA rate of $5.3% and a FUTA rate after the company's credit for state unemployment tax of .8%.

math
Philip makes $11.40 an hour plus time and a half for over time. Calculate his gross pay if he works 45 hours in a week.

biology
Trophic Level Cylinder Volume of H2O Volume of Oil Total Volume % Oil 1st 1000 ml 1000 ml 2nd 100 ml 100 ml 3rd 10 ml 10 ml

biology
1.What is the % concentration of oil in the first, second, and third trophic levels in our food chain? 2.How did the concentration of oil change from one trophic level to the next? 3.How does the change in concentration represent biomagnification? 4.How does this also illustra...

Math
roger has three employees who earns $500, $550, and $700, respectively. How much does roger owe for SUTA and FUTA in the first 12 weeks? assume a SUTA rate of $5.3% and a FUTA rate after the company's credit for state unemployment tax of .8%.

college
a certain radioactive isotope has a half life or 850 years.how many years would it take for a given amount of this isotope to decay to 70% of that amount?

Chemistry
I attempted at the problem, is it 10.0g?

Chemistry
What mass of KCl is dissolved in 250. mL of a solution that is 4.00 % by mass/volume?

Chemistry
Please show me the steps..... At STP, 3.00 L of nitrogen gas contains the same number of molecules as A) 1.00 L of nitrogen gas B) 2.00 L of oxygen gas C) 3.00 L of chlorine gas D) 4.00 L of hydrogen gas

11th grade
A balloon at contains 0.5 L of gas at a constant pressure of 1.0 atm. If the pressure is increased to 3.0 atm, what will be the volume of the gas?

Chemistry
A sample of oxygen gas has a volume of 8.00 L at 20.0 ° C and 700. torr. How many moles does the sample contain?

Chemistry
51.4mL

Chemistry
A 120. mL sample of a gas is at a pressure of 1.50 atm. If the temperature remains constant, what will be its volume at 3.50 atm of pressure?

Chemistry
How would you prepare 150.0 mL of a 0.200 M aqueous solution of potassium chloride from a 0.500 M aqueous solution of potassium chloride?

Chemistry
How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H2(g) + Cl2(g) 2 HCl(g)

chemistry
What is the volume of 1.40 moles of nitrogen gas at 20.0°C and 770. torr?

Chemistry
A sample of oxygen is collected over water at 22°C and 762 torr. What is the partial pressure of the dry oxygen? The vapor pressure of water at 22°C is 19.8 torr.

algebra
623/7 89%

Mat 126
A person hires his firm to build a Cb radio tower. The firm charges $100 for labor for the first ten feet. After, that the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next feet will cost $125, the next 10 feet will cost $1...

Business Math
IF Joseph deposits $1,000 at year-end for the next 35 years, assuming he makes one yearly deposit of $1,000 at 5% compounded annually, how much interest would he earn?

english
am

english
What is the subject and verb: Until I have my first cup of coffee in the morning,I am so lethargic I can barely move.

Math
26 x 1/5 divided by 1/2 x 5. evaluate. I don't know if i'm supposed to find a common denominator and if i should use 10 as the common denominator.

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