Friday
December 6, 2013

# Posts by pat

Total # Posts: 586

Physics
A 500.0 g metal block absorbs 3.25 × 103 J of heat to raise its temperature by 50.0 K. What is the substance? Please show steps because I have several problems like this and then I can see where I am goibg wrong

math
what is rule for a function table that has input/output 12/0 20/2 32/5 52/10

physical Science
t=(v-vo)/a v=100m/sx10 a=9.81m/sx2

Physics
3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision is completely inelast...

chemistry 111
in calibrating your thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of the thermometer fluid?

Math
The Robinsons decide they would rather purchase the \$85,000 home. Their bank requires a 5% down payment to be paid to the seller and a payment of 1 point (1%) of the mortgage at the time of closing. How much is the down payment?

statistics
If the means for our groups on calories consumed a day were Group A = 2000, Group B = 2500, and Group C = 3000 could we just assume that all of the groups had statistically different means? How could we determine which groups were significantly different from each other?

chemistry
Calculate the number of moles in each of the following: 0.150 g of salicylic acid 0.30 mL of acetic anhydride (density = 1.08 g/mL)

math
how to find the volume when two figures are used?

Physics
I am still lost! I understand the formula I just don't know what numbers to put where.

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