Clay

I'm trying to find the dry gas pressure of H2 in mmHg. The barometric pressure is 765.3 mmHg, the vp of H20 is 23.76 mmHg and the gas collected was 25.6 mL. this is what i did. 765.3 mmHg - 23.76 mmHg - (25.6 Ml/13.6 mmHg) = 739.66 = 740 mmHg 93 sig figs)...

18 years ago

How can a project manager be sure that he or she has chosen the correct metrics to assess project performance?

17 years ago

Have people gone near to the eaths crust?

16 years ago

Where is the nearest river source to Bremerton, Washington?

16 years ago

You draw two card from a standard deck of 52 cards and replace the first one before drawing the second. Find the probablity of drawing a 4 for the frist card and a 9 for the second card

15 years ago

Let z be a random variable with a standard normal distribution, P(-1.9<=z<=2.1)

15 years ago

Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution with sigma =2.3%. A random sample of 17 Australian bank stocks has a sample mean of x bar 7.74%. For the entire Australian sto...

15 years ago

a 10 foot long teeter-totter pivots in the middle. a 50 lb boy sits on one end. Where must a 100 lb boy sit to balance the beam?

13 years ago

A diver in Acapulco jumps off a 150 ft cliff. His forward motion is 10 feet per second. The base of the cliff at the waters edge extends 38 feet beyound the top edge of the cliff. Will the diver land in the water?

13 years ago

if you take a 1 liter bottle of water out of the refrigerator at just above 0 celsius., how much heat will it take to raise the water to 90 celsius, so you can make tea out of it.

13 years ago

A 220lb worker loses 8 pounds of sweat during the day. All of the sweat evaporates. How much heat will he lose through evaporation? (Hint. Convert all measures to metric)

13 years ago

Your car has been setting out in the hot summer sun all day. The metal hood, the glass windshield, and the fabric upholstry are all at 180 degrees farenheit. If you touch the hood with your hand it could be burned, if you touch the windshield it will be v...

13 years ago

How much heat does it take to raise 1.0kg of lead from 0 degree celsius to 90 degree celsius

13 years ago

5.00 grams of hydrogen is found to diffuse through an opening in 20.00 minutes. under the same conditions, how many grams of carbon monoxide would diffuse through the same opening in 20.00 minutes of time?

13 years ago

Calculate the translational partition function for Ar confined to a volume of 1000 cm^3 at 298 K. At what temperature will the translational partition function of Ne be identical to that of Ar at 298 K confined to the same volume?

13 years ago

By how much does the total partition function (excluding electronic) increase when 20 m^3 of Neon at 1.00 atm and 300 K is allowed to expand by 0.0010% at constant temperature?

13 years ago

Can a forest that is 9/10 acre be divided into an even number of plots that are 1/7 acre? Explain how you know?

13 years ago

A simple random sample of 50 female 14-year-olds is selected. The sample mean height of the girls is found to be 62 inches. Assume the height of 14-year-old girls is normally distributed with a standard deviation of 5 inches. 1. Based on these data, a 95%...

12 years ago

The nicotine content in cigarettes of a certain brand is normally distributed with mean (in milligrams) μ and standard deviation σ = 0.1. The brand advertises that the mean nicotine content of their cigarettes is 1.5, but measurements on a random sample o...

12 years ago

Find the local linearization of g(x)=sqrt 4x near x=2 use local linearization to estimate g(2.05) is your estimate too high or too low?

12 years ago

A cylinder with a movable piston contains gas at a temperature of 27 degrees celsius, a volume of 1.50 meters cubed, and an absolute pressure of 0.200 X 10 to the fifth Pa. What will be its final temperature if the gas is compressed to 0.700 meters cubed...

12 years ago

Write an equation of the line parallel to the line given by 3x-2y=8 and having the same y-intercept as the line given by 2y+3x=-4 (show work) I am stuck with this problem. Can you please show me how to do these types of equations? Thank you

12 years ago

In the following total ionic equation which ions are spectator ions? 2 Na+ (aq) + 2 Cl−(aq) + Pb2+(aq) + 2 NO3−(aq) ¨ PbCl2 (s) + 2 Na+ (aq) + 2NO3− (aq) I think the answer is all of them because I DO NOT see any that cancel from one side to the other?

10 years ago

A vitamin C tablet was dissolved in 50.0 mL of water. The resulting solution was titrated to the equivalence point with 28.5 mL of 0.100 M I3− solution. What is the starting mass of the tablet assuming the tablet is 100% vitamin C? I found the moles in I3...

10 years ago

Imagine that you're a member of the Virginia House of Burgesses. You've submitted a proposal for a law that requires colonial inspectors to place grades on different qualities of harvested tobacco. The law passes, but you know it won't go into effect unti...

9 years ago

In a simple random sample of 80 patients that go to a certain dentist, 9 patients had their teeth whitened. which interval is the 95% confidence interval for the percent of all the dentist's patients who had their teeth whitened? (4.4, 18.2) (8.4, 14.2) (...

9 years ago

Evaluate the limit if it exists, otherwise, write ∞,-∞ or DNE as appropriate. (you may not use the L'Hospital Rule) lim e^cosx \squareroot(tan((3)/(4)x)+10) x-> π Please show steps I am very confused!

7 years ago

That's what I was thinking. I just wasn't sure I understood the question correctly. Thank you very much.

17 years ago

Thanks a lot you are a genius

13 years ago

2.-39

13 years ago

I am quite amazed. I appreciate your help!

13 years ago

drwls. I thank you again whoever you are. i owe you ten fold! you really help me out more than you can imagine!

13 years ago

so 1*90*90?

13 years ago

Thats right!!

13 years ago

adfadf

7 years ago