Acidic solution of potassium dichromate
How many seconds are required to produce 4.94 mg of chromium metal from an acidic solution of potassium dichromate, using a current of 0.234 A?
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A total of 2.00 mole of a compound is allowed to react in a foam coffee cup that contains 162g of water. The reaction caused the temperature of the water to rise from 21.0 C to 24.7 C. What is the enthalpy of this reaction? Assume that no heat is
Consider the titration of 50.0 mL of 0.217 M HN3 (Ka = 2.6 x 10-5) with 0.183 M NaOH. Calculate the pH of the solution after the addition of 29.6 mL of NaOH solution.
In the figure two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have excess surface charge densities of opposite signs and magnitude 6.01 x 10-22 C/m2. What is the magnitude (in N/C) of the el
3 solutions are mixed together to form a single solution. One contains 0.2 moles of Pb(C2H3O2)2, the second one contains 0.1 moles of Na2S, and the third contains 0.1 moles of CaCl2.
Let us say that a fusiform muscle of length L and PCA is attached to bones by tendons of length 0.9L and cross-section area f(PCA) (f<<1) on either end.
80 g of potassium nitrate are dissolved inn 100 ml of water at 60 degrees celsius. at what temperature will potassium nitrate begin to crystallize as the solution cools?
20cm3 of a saturated hydrocarbon required 160cm3 of oxygen for complete combustion 100cm3 of carbon dioxide and 120cm3 of water vapour were produced all measurements being made at the same temperature and pressure deduce the formula of the hydroca
A compound of a transition metal and iodine is 65.1% metal by mass. How many grams of iodine is present in 859 g of this compound?
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How can I rephrase this paragraph? The exploration between the "Personal unconscious" and the "Collective Unconscious" in C.G. Jung's perspective
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Maria, a clinical mental health counselor, has been working with a client, Emily, for several months. Emily is a 32-year-old woman who recently went through
Can you please summarize the key points related to Post-Traumatic Stress Disorder (PTSD) as classified in the DSM-5, including its criteria
Teenagers understand well that death is inevitable and that they themselves will die one day. What typical adolescent behavior seemingly contradicts this knowl
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Question: Education is important because it helps children develop their cognitive, behavioral, and psychomotor skills.