Calculate the ph of a solution made by adding 24 g of
Calculate the pH of a solution made by adding 24 g of sodium acetate, NaCH3COO, to 26 g of acetic acid, CH3COOH, and dissolving in water to make 200. mL of solution. The Ka for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places.
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In the reaction below, 3.84 atm each of H2 and Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) <=> 2 HCl(g) Given that Kc = 62.1, calculate the equilibrium pressure of HCl.
You toss a ball up in the air with an initial velocity of 8 m/s (immediately after leaving your hand). Use gravity = -9.8 m/s2. What is its acceleration at its peak height
Consider an NMOS transistor having kn=10mA/V2. Let thr transistor be biased at Vov= 0.5V. If a 0.05-V signal is superimposed on VGS, find the corresponding increment in collector current by evaluating the total collector current iD.
The products of the fastest inactivation process-Explain what mechanism is responsible for the formation of the products.
Calculate the pH of a solution made by adding 24 g of sodium acetate, NaCH3COO, to 26 g of acetic acid, CH3COOH, and dissolving in water to make 200. mL of solution.
From a height of 35.5m , a 1.50kg bird dives (from rest) into a small fish tank containing 53.5kg of water. What is the maximum rise in temperature of the water
An analog signal contains frequencies up to 10kHz. (a) What range of sampling frequencies allows exact reconstruction of this signal from its samples. (b) Suppose that we sample this signal with a sampling frequency Fs = 8kHz.
A box-shaped wood stove has dimensions of 0.75 m x 1.2 m x 0.40 m an emissivity of 0.80, Calculate its rate of radiation into the surrounding space
Calculate the pH of 0.099 M phosphoric acid (H3PO4, a triprotic acid). Ka1 = 7.5 x 10-3, Ka2 = 6.2 x 10-8, and Ka3 = 4.8 x 10-13
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