What is the volume of the balloon
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
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What is the free Zn2+ concentration if 0.020 M Zn2+ solution is mixed with an equal volume of 2.0 M NH3? Kf for [Zn(NH3)4]2+ is 4.1 × 10^8
Calculate the concentration of SO2 that must be reached in polluted air if the dissolved gas is to produce a pH of 4.0 in raindrops without any oxidation of the sulfur.
You have 75.0 mL of a 2.50 M solution of Na2CrO4(aq). You also have 125 mL of a 1.52 M solution of AgNO3(aq). Calculate the concentration of CrO4 2- after the two solutions are mixed together.
24.6 ml volume of HCl solution reacts completely with a solid sample of magnesium carbonate, producing 183 ml of gaseous product (there is only one gaseous product from the reaction). The gaseous product is collected over water at 24.0C and 738 to
If the activation energy is 210 Kj/mol, calculate the arrhenius preexpnential factor and determine the rate constant at 600 K.
if 100 mL of 0.100 M NaCl is added to 100 mL of .01 M NaCl, what is the concentration of Na ions in the final solution?"
Calculate the amount of heat released when 50g of steam at 100 degrees celsius hits the skin, condenses, and cools to a body temp of 37 degrees celsius.
Strawberries contain about 15 wt% solids and 85 wt% water. To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Cal
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Problem: Your choice of experimental designs makes sense, especially with your focus on cause-and-effect relationships.
In three to five sentences, put the following points below in a single paragraph: Potential Harm to Participants Understanding Risks:
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).