What is the mass in grams of the sample
A sample of an element has a volume of 81 mL and a density of 1.73 g/mL. What is the mass in grams of the sample (round to the nearest tenth)?
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A 0.573g sample of nonvolatile solute is added to 15.6g of naphthalene and the mixture warmed until melted. The freezing point of the solute was determined and the found equal to 78.1 degress celsius.
Calculate the number of moles of N_2 dissolved per liter of blood, which is essentially an aqueous solution.
Reaction of NO with chlorine to yield NOCl is pseudo-first order if NO is present in a large excess. Determine the rate constant of this reaction if the partial pressure of NOCl increased from 0 to 100 Pa in 522 s staring with the initial pressure
A solution containing 16.9 of a nonvolatile molecular compound in 250 g water has a freezing point of -0.744...What is the molar mass of the substance?
Given the tabulated data, what is the lattice energy of crystalline calcium chloride?
Your chemiluminescence reaction will actually occur very slowly in air. What component of air will bring about this reaction and what is its approximate concentration in air?
Granite rock has a specific heat capacity of 0.80 J·°C-1·g-1. A 15 g rock was warmed by 202 J of energy from sunlight. What was the increase in temperature of the rock (in °C)?
The value of Henry's Law constant in mol/l/kpa for O2 at this temperature. The atmospheric pressure is 1 atm ( the mole fraction of oxygen in air is 0.21)
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When children are able to determine that the same amount of liquid is in two different sized containers, they have mastered
What is one specific way in which behavior modification techniques might be used in this field? What would be the end goal when using these techniques?
The range of tasks that are too difficult for the child to master alone but that can be learned with the guidance and assistance of adults
My name is Lisette (preferred) and I am located in Augusta, GA. I am majoring in Psychology (BS) with the Life Sciences option, I currently am a manager
Analyze the factors that contribute to employee motivation, satisfaction and engagement. Discuss how employee stress and low motivation can be influenced
Problem: Identify and explain the main ethical challenges faced by Iverem.
Problem: This video talked about personal bias and outdated facts that confuse the general population.