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A thin piece of metal foil is 1.074 ft. long and 5.23 inches wide. The density of the metal is 8.526 g/cm3 and the specific heat of the metal is 0.429 J / g oC. If the metal foil absorbs 785.2 J of heat as its temperature changes from 21.64 oC to 33.45 oC, calculate the thickness of the metal foil in mm.
Suppose that 4387.0 J of heat energy is added to 8 g of ice initially at -11 C. (This could be done, for example, by electrical heating of ice in an insulated container.) What is the final temperature of the water
How can I find the pH and volume (mL) of 0.0411M KOH needed to reach the equivalence point in the titration of 23.4mL 0.0390M HNO2? The question doesn't give me a Ka or Kb value.
Calculate the number of carbon atoms in 4.56 grams of ethanol (CH3CH2OH).
There is always a degree of uncertainty in any measurement. How does the use of significant digits reflect this uncertainty
how many moles of N atoms are there in .882 moles of (NH2)2CO?
Which bronsted-lowry acid is not considered to be a strong acid in water. A)H I B)H Br C)H2S O3 D)H NO3
calculate the final temperature of 36 rm ml of ethanol initially at 16circ rm c upon absorption of 750 rm j of heat.
The half-life of cobalt-60 is 5.2 yr. How many milligrams of a 2.000-mg sample remains after 6.55 years. Show your work.
Just based on the orbital occupancy of electrons, is it justifiable to distinguish between the transition and inner transition elements? Should we consider any other factors?
A student wishes to make a soution of lithium hydroxide (LiOH) to a strength of 1.7 mol/L. If he is going to make a total volume of 1.5 L
Use the balanced equation to calculate how many mL of 0.15M KOH solution will be needed to completely react with 15.0 mL of a 0.20M H2SO4 solution
you have two gas tanks one is 7.00 l and the other is 3.50l and one of the tanks has oxygen in it and the other has
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