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A chemist determines by measurements that 0.010 moles of iodine solid participate in a chemical reaction. Calculate the mass of iodine solid that participates.
Be sure your answer has the correct number of significant digits.
A 15 mL sample of 0.100 M Ba(OH)2 is titrated with 0.12M HCl. Calculated the equivalency point, and the pH after 5mL, 10 mL, 15 mL, and 20 mL of HCl are added.
Explain what color would pH paper turn when exposed to your solutions labeled? Could someone please explain what these are
what is the repeatability of a measurement and the extent to which repeated measurements agree among themselves
What volume of carbon dioxide measured at STP will be formed by the reaction of 1.43 mole of oxygen with 0.900 mole of ethyl alcohol?
Given that 5.9 moles of carbon monoxide gas are present in a container of volume 63.7 L, what is the pressure of the gas (in atm) if the temperature is 47 °C
Explain in the fish processing industry the fish cake is dried in rotary drum dryers. The fish cake consists of bone dry fish (BDF) and water. Define the resulting product is finely ground as well as packed for sale.
Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I- (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K = 419 kJ/mol, IE I = 1010 kJ/mol; EA K = 48 kJ/mol. EA I= 295 kJ/mol
Explain what is the longest wavelength of light that will eject electrons from this metal when the binding energy 2.76E-18J
What type of compounds are composed of ions. Explain why these compounds can form acidic or basic solutions.
How does the concept of ionic bonding describe- conductivity melting/boiling points, brittleness, and solubility
Calculate the intermolecular collision frequency and the mean free path in a sample of helium gas with a volume of 5.0 L at 27 degrees Celsius and 3.0 atm.
Calculate the de Broglie wavelength in meters of a neon atom with a mass of 3.35 × 10(-26) kg that has a speed of 2.32 × 106 m/s. Express answer in scientific notation.
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