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A 22 kg child slides down a 2.5-m -high playground slide. She starts from rest, and her speed at the bottom is 1.0 m/s . What is the change in the thermal energy of the slide and the seat of her pants?
What mass of MgNH4PO4 precipitated when 200.0ml of a 1.000% (w/v) solution of MgCl2 were treated with 40.0ml of 0.1753 Na2PO4 and an excess reagent of NH4+
In a first order decomposition in which the rate constant is 0.201 sec-1, how long will it take (in seconds) until 0.131 mol/L of the compound is left, if there was 0.566 mol/L at the start
If an Al strip is placed in CuSo4 solution. Would you expect a spontaneous reaction to take place based on the net potential
google the structure and molar mass of caproic acid.using the empirical expression given in class for the surface
compressed gas cylinder contains 1.00 x 103 g of argon gas. The pressure inside the cylinder is 2050 psi at a temperature of 18oC. How much gas remains in the cylinder if the pressure is decreased to 650psi at a temperature of 26oC?
Question- The experiment deals with calorimetry. If the warm water in this experiment is at 98 degrees celsius. how much heat must be releases in order for the temp of 100mL of water to decrease to 32 degrees celsius? the specific heat of water is..
a 7.58 gram sample of benzoic acid c6h5co2h is dissolved in 100 ml of benzene. the density of benzene is .879 gml. what
watch for stereochemical implications. doing the mechanisms would be good practice too. question application of
Explain what is the pH of the solution when 18.30 mL of 0.137 M trisodium hemimellitalate trisodium benzene 1,2,3, tricarobxylate is mixed with 25.00mL of 0.274 M HNO3 (to two d.p.)
electrode composed of nickel in a 1.0 M nickel(II) ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 25 °C.
sodium chloride is added slowly to a solution that is 0.010 m in cu ag and au. the ksp values for the chloride salts
when sulfuric acid is a component of polluted air it chemically attacks statues memorials and monuments made from
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