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Decide whether or not each of the following metals dissolves in 1M HCl. For these metals that do dissolve, write a balanced redox reaction showing what happens when the metal dissolves.
Part A: Cu
Express your answer as a chemical equation. Enter "no reaction" if there is no reaction.
Part B: Fe
Part C: Na
Which of these sublevels may be utilized in constructing a partial orbital diagram for a period 3 element
The temperature remains unchanged. Determine the final pressure of the system of two tanks.
Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required 37.5 mL of 0.175 M NaOH to reach the equivalence point (Ka = 1.8 x 10-5).
A certain first-order reaction () has a rate constant of 6.90×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
An experiment shows that a 115 mL gas sample has a mass of 0.169 g at a pressure of 699 mmHg and a temperature of 31C.What is the molar mass of the gas?
Describes the six possible ratios are in the reaction. Include the formula of the species in the relationship.
The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138 and lanthanum-139.
How many moles of bicarbonate ions, aluminum ions, and oxygen atoms are present in 26.0 g aluminum bicarbonate?
What is the heat change per mole of CaCl2 dissolved in water? Assume that all the heat is absorbed by the water. (c = 4.18 J/g C)
a steel sphere has a radius of 1.58in. If this steel sphere has a density of 7.88g/cm3, what is the mass of the sphere in grams?
Consider a piece of gold jewelry that weighs 9.55 g and has a volume of 0.660 cm^3. The jewelry contains only gold and silver, which have densities of 19.3 {rm g}/{rm cm}^{3} and 10.5 {rm g}/{rm cm}^{3}, respectively.
A 100.00 mL buffer solution is 0.175 M in HClO and 0.150 M in NaClO. What is the pH after addition of 85.0 mg go NaOH?
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