How much heat was lost to the surroundings
When power was turned off to a 30.0 gal. water heater, the temperature of the water dropped from 75.0°C to 22.5°C. How much heat was lost to the surroundings? (1 gal = 3.785 L) Assume the density of water is 1.00 g/mL.
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Commercial vinegar was tritrated with NaOH solution to determine the content of acetic acid (HC2H3O2). For 20.0 milliliters of vinegar, 26.7 milliliters of 0.600 molar NaOH solution was required. What was the concentration of acetic acid in the vi
In the formula for sodium phosphate (Na3PO4) how many moles of sodium are represented? How many moles of phosphorus? how many moles of oxygen?
Discuss the Base Case concept as described in capital budgeting. What is the critical error made by the compnies discussed in our text concerning this process?
Consider the following reaction: 3Li + Z = Li3Z-What is the formula for the compound if we substitute sodium for lithium?
A 4.50-g sample of LiCl at 25.0 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy, delta H, of LiCl expressed in kilojoules per mole?
Paul Seiler, a senior contracts agent in the nuclear division at FP&L's Turkey Point Plant in Florida City, Florida, is debating on whether to renew or replace the commercial nuclear reactor's reactimeter. A reactimeter is a vital component o
what is the mass of pentane that vaporizes? density is .626g/mL and pure vapor pressur eis 511 at 25 degree celcius. suppuse hexane and pentane each 75 ml is mixed in previoulsy evacuated 200 ml at 25 degree celcius [Searched for: how to find mas
Given the pK for acetic acid is 4.76. Suppose that we dissolve a mole of this weak acid in 10L of water. Find the pH of the resulting solution. What fraction of acetic acid molecules is dissociated?
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Please provide a response with APA citations and references to "When discussing topics like abnormal behavior, the questions we ask carry a lot of weight.
Please provide a response with APA citations and references to "Correlational research has one significant disadvantage: it cannot prove cause and effect.
Post a description of your thoughts on the fairness and effectiveness of school drug-testing programs for adolescents.
Explain what depression is. Then, identify and describe at least three signs of depression in adolescents, and two strategies professionals
Theory-to-empirical frameworks emphasize the need to understand how individuals interpret systems and environments
What word have we learned that describes the way Devon says he acts towards women with his claim to want to have sex with them all
Problem: What parts of the brain (neurotransmitters) are positively impacted by these drugs - to explain the paragraph: