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A ship has a top speed of 3 m/s in calm water. The current of the ocean tends to push the boat at 2 m/s on a bearing of due South. What will be the net velocity of the ship if the captain points his ship on a bearing of 55° North of West and applies full power?
What is the favored dichlorocycloheptane product obtained from the dichlorination of cycloheptane with sulfuryl chloride
1 a 27.0 gram sample of an unknown hydrocarbon is burned in exess oxygen to form 88.0 grams of carbon dioxide and 27.0
Question- The specific heat capacity of methane gas is 2.20 J/g-K. How many joules of heat are needed to raise the temperature of 7.25 g of methane from 20.0°C to 44.1°C
The molecular formula for a compound is CX4. If 2.819 g of this compound contains 0.102 g of carbon, what is the atomic weight of X
Calculate the percent error in your Hess's Law enthalpy value (-686 kJ/mol). The accepted textbook value is -601.7kJ/mol.
write the condensed electron configurations for the cr3 atom. express your answer in condensed form in order of
The solubility of suberic acid is 0.14 g/100 ml of water or 0.56 g/100 ml of ether. Calculate the volume of ether needed to remove 90% of the suberic acid from 100 mL of saturated aqueous solution in a single extraction.
After that 1.00mL of a 10.9mM Lithium standard was added to 9.00mL of serum as well as this spiked serum gave an intensity reading of 893 units. Explain what is the original concentration of Li in the serum
The products were collected and had the following masses: CO2: 1.707 g N2: 0.136 g H2O: 0.7859 g For this compound (CaHbOcNd) what are the integers a,b,c and d in the empirical formula
below which there is too little fuel to support combustion. For propane, the LFL is 2.1 mol-%. What is the mol fraction of propane in the air at the stoichiometric concentration?
The total pressure of a mixture of gases is: dependent only upon the pressure of the gas which is present to the greatest extent. obtained by multiplying the individual pressures by the number of moles and averaging.
What is the pH (to nearest 0.01 pH unit) of a solution prepared by mixing 87.0 mL of 0.0601 M NaOH and 71.0 mL of 0.0138 M Ba(OH)2
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