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When ice melts, it absorbs 0.33 kJ per gram.How much ice is required to cool a 13.0 oz drink from 74 degree F to 31 degree F, if the heat capacity of the drink is 4.18 J/g degree C? (Assume that the heat transfer is 100 % efficient.)
Determine the empirical and molecular formulas of anthraquinone.
How many types of nonequivalent protons does the following compound contain
.850 L of 0.410 M H2SO4 is mixed with .800L of .240 M KOH. what concentration of sulfuric acid remains after neutralization
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
Compute how many titanium atoms are there in 24.1 grams of titanium and also determine what is the mass in grams of 3.23E+23 atoms of titanium.
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
What is the energy per photon of the lowest frequency of electromagnetic radiation that can be used to observe a gold atom with a diameter of 280 picometers.
Calculate the mass of sugar (C12H22O11) that must be dissolved in 700 g of water to prepare 20% sugar solution
What causes cycloalkanes to have two less hydrogen atoms than similar alkanes that are open chain ones? i) What is the three dimensional structure of methane? Why?
Write the full symbol for each isotope (give both A and Z for each isotope). How many protons, and how many neutrons are present in the nucleus of each isotope?
The volume of a gas at 95.0 kPa is 300.0 mL. If the pressure is increased to 177 kPa, what will be the new volume?
What is the mass of sulfur dioxide gas (SO2) at STP in 164 L of the sample?
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