Calculate molarity of each of ethanol solution
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A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
By combining your answers in A and B, and using average bond enthalpies for C-H, calculate average bond enthalpies of the carbon-carbon bonds in C6H6(g).
What is the percentage yield if 465 grams of hydrogen reacted with excess nitrogen and 455 grams of ammonia is formed N2 (g) + 3 H2 (g) 2NH3(g)
The punter on a football team tries to kick a football so that it stays in the air for a long "hang time". If the ball is kicked with an initial velocity of 25.0 m/s at an angle of 60.0 degrees above the ground, what is the "hang time"?
Calculate the molarity of each of the following solutions: (a) 29.0 g of ethanol (C2H5OH) in 545 mL of solution, (b) 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution, (c) 9.00 g of sodium chloride (NaCl) in 86.4 mL of solution.
Calculate the resulting pH if 455 mL of 0.200 M HCl is mixed with 315 mL of 0.0850 M Ca(OH)2.
The police officer, knowing that the coefficient of kinetic friction between tires and road is 0.80, calculates the speed of the sports car at impact.
If 1.3g of sodium reacted with 1.8g of water what would be the total mass of sodium hydroxide and hydrogen produced?
A car travels due east with a speed of 45.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 60.0 with the vertical. Find the velocity of t
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studying how situational stress impacts conscientious behavior. For example, researchers could manipulate stress levels in a controlled
The four major figures often cited as foundational sex researchers, shaping early understandings of sexuality,
Expand the following points on the ethical challenges in data collection and reporting: Bias and Objectivity Researchers should be aware of
Objective tests provide standardized questions and scoring systems, which improves reliability and makes it easier to compare
It is also important to note that naturalistic observation is a type of correlational research (others include surveys and archival research).
Kelly McGonigal's speech really changed the way I see stress, especially when it comes to public speaking. Before watching her talk
The primary advantage of naturalistic observation lies in the validity, or accuracy, of the information gathered unobtrusively