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A) What are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas instead of just words?
B) On your own words summarize to another person the steps needed to successfully write a balanced chemical equation.
C) Describe the basic part of a chemical equation. Identify how the physical state of elements and compounds is identified in an equation.
Question- Complete the reaction by writing the formulas of the products, and indicate whether the products or reactants are favored. The Ka of CH3COOH (acetic acid) is 1.8 × 10^-5 The Ka of the conjugate acid in this reaction is 5.6 × 10^-10
Question- The combustion of 3.010 g sucrose, in a bomb calorimeter, causes the temperature to rise from 24.92 to 78.33?C. The heat capacity of the calorimeter assembly is 4.90 kJ/?C. a) What is the heat of combustion of sucrose, expressed in kJ/mol..
After losing the electron, how many protons will Na have in its nucleus? Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine
What is the density of gold if a ring with a volume of 2.656 cubic centimeters has a mass of 51.26 grams?
An exothermic reaction liberates 7.58 kJ of heat in a coffee cup calorimeter containing 157 grams of solution. The temperature of the solution in the calorimeter increases by 11.2°C. How much heat was absorbed by the calorimeter? Assume the specif..
what solution will have the lowest boiling point?
A copper wire (density = 8.96 g/cm3) has a diameter of 0.41 mm. If a sample of this copper wire has a mass of 12 g, how long is the wire?
The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4) a monoprotic acid with Ka = 3.3 10-4 at 25°C. What is the pH of a solution obtained by dissolving two extra-strength aspirin tablet
the combustion of propane illustrated by the following reaction releases 2428 kj per mole of reaction. a sample of
A water solution containing 2.00 g of an unknown molecular substance dissolved in 10.00 g of water has a freezing point of 4.0°C. a. Calculate the molality of the solution.
Choose the answer which presents the chemical formulas NF3, NaBF4, and BF3 in order of increasing solubility of the substances with these formulas in hexane (lowest solubility listed first)
If you are performing a Zinc-Copper Galvanic Cell where Zn is the Anode and Cu is the cathode and you soak the salt bridge with a saturated ammonium nitrate solution, in which direction would the ammonium ions move when the salt bridge completes t..
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