What is the final ph
At 298K, 125 ml of 0.60 M potassium hydroxide KOH is added to 175 ml of 0.40 M hydrochloric acid HCl. What is the final pH?
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When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are produced. What volume of 7.0 M HCl is required to react completely with 8.00 g of magnesium?
On a summer day when the wind speed in 3 m/s, a tank truck loaded with liquid chlorine is involved in an accident that results in a small split in the tank and a leak of 30 kg/min at the top of the tank.
Its melting point is 962°C, and its heat of fusion is 11.3 kJ/mol. What quantity of heat, in joules, is required to change 7.50 g of silver from solid at 25°C to liquid at 962°C?
A 290ml flask contains pure helium at a pressure of 756torr . A second flask with a volume of 480ml contains pure argon at a pressure of 713torr .If the two flasks are connected through a stopcock and the stopcock is opened, what is the total pre
A 2000-MW electric generating station burns 278 tonnes of residual fuel oil per hour. The fuel contains 2.6% S and 1.2% ash. The station is equipped with particle, sulfur dioxide, and nitrogen oxide emission control systems.
What is the pH at the stoichiometric point (end point) for the titration of 50 ml of 0.20 M methyl amine CH3NH2 (aq) with 0.20 M perchloric acid HClO4(aq)? For methyl amine (CH3NH2), Kb = 3.6 x 10^-4.
A mixture of ethanol and 1-propanol behaves ideally at 36C and is in equilibrium with its vapor. if the mole fraction of ethanol in the solution is 0.67. calculate its mole fraction in the vapor phase at this temperature. (the vapor pressure of p
We will titrate 50.0mL of 0.200M NH3(aq) ( pKb = 4.76) with 0.200M HCl(aq). What is the initial pH of 50.0mL of 0.200M NH3(aq) before HCl is added.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult