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Problem- A butane fireplace lighter contains 6.0g of butane. (c4h10) How many grams of oxygen are needed for the complete combustion of the butane in the lighter. You need to complete the following reaction and balance first before finding the grams of oxygen. C4H10 + O2?
Please demonstrate all work. Thank you in advance
If 6.73 g of Na2CO3 is dissolved in enough water to make 250. mL of solution, what is the molarity of the sodium carbonate?
Propanoic Acid, HC3H5O2, is a weak acid. A 0.125 M solution of propanoic acid, HC3H5O2, dissociates 1.020%. Using this information, calculate the pH of the 0.125 M solution of propanoic acid.
What is the maximum volume of 6.0 M NaOH that can be added to 100. mL of a buffer solution that is initially 1.00 M in acetic acid and 0.500 M in sodium acetate and still have a buffer solution? Ka = 1.8 x10^(-5) for acetic acid.
A balloon has a volume of 1.20 at 24.0 degrees Celsius. the balloon is heated to 48.0 degrees Celsius. calculate the new volume of the balloon.
Question- What is the molar mass of a compound if 5.12 grams is dissolved in 25.0 grams of chloroform solvent to form a solution that has a boiling point of 67.54 °C. The boiling point of pure chloroform is 61.70 °C and the boiling point elevation..
Calculate the absorbent coefficient (e) when the absorbance of a 2.8 x 10^-4 M solution of proline at 280 nm is 0.45 and the path length is 1 cm
When two hydrogen atoms approach each other to form a chemical bond, different interactions occur between the atoms. Identify the correct statements with respect to the interactions involved in the formation of chemical bond.
The concentrated sulfuric acid is 98.0 percent h2so4 by mass. the density of the solution is 1.83 g/ml. the molar mass of h2so4 is 98.08 g/ml.What is the mass of h2so4 in 100.0g of concentrated sulfuric acid solution?
Calculate the change in enthalpy of this reaction. Specific heat of the solution = 4.184 J/(g oC) State your answer in kJ with 3 significant figures. Don't forget to enter the unit behind the numerical answer. The molecular weight of KOH is 56.2 g..
What will be the major product of the reaction of 2-methyl-butene with each of the following reagents? a. Br2 + excess NaCl b. A peroxyacid c. Hg(OAc)2, H20 followed by NaBH4 d. ICl
A researcher places 2 grams of lithium into a large beaker of water and catches the hydrogen gas being evolved. Since the water had a small drop of phenolphthalein indicator, the indicator turned a red color indicating that a base, lithium hydroxi..
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
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