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a "neon" sign contains 2.4 * 10^2 mL of argon. Assuming that the gas is at standard temperature and pressure there is 1.00 mole per 22.4 L of volume how many argon atoms are there present in this sign
When determining the number of milliliters of mercuring with the density of 13.6 g/mL and having a mass of 501 g, do you divide 13.6 by 501?
An ideal gas flows through a horizontal tube at steady state. no heat is added and no shaft work is done.the cross sectional area of the tube changes with length and this causes the velocity to change
It takes 49.0 J to raise the temperature of a 9.60 g piece of unknown metal from 13.0 degrees celsius to 24.5 degrees celsius. what is the specific heat for the metal?
Write the half-cell reaction for the oxidation. Write the half-cell reaction for the reduction. Write the balanced equation for the cell reaction. Keep substances in the order given in the original equation.
The elements silver, molybdenum, and sulfur combine to form Ag2MoS4. What is the maximum mass of Ag2MoS4 that can be obtained if 8.63 g of silver
I am given the 10 ml of .200M Fe(NO3)3 and .25 ml of .00200 KSCN and 14.75 ml of .500 M of HNO3. How do I figure out the initial concentration of FE3+ and SCN-.
Consider the reaction that will take place between (S) -2-bromobutane and sodium azide in DMF. A) What is the product of this reaction (give proper stereochemistry of the product formed)
The insecticide DDT has a half-life in the human body of about 7 years. That is, in 7 years its concentration.( Although DDT is no longer in use in the United States).
With respect to the corrosion of steel in concrete, explain the significance of the following terms: carbonation of concrete, passivity of steel, electrical resistivity of concrete, state of oxidation of iron.
What would be the predicted effect on glutamine synthesis if a mutation is glutamine synthetase increases the Km to the micromolar range for the regulatory protein Pa but has no effect on the Km
A half-life of phosphorus-32 =14.0 days. starting with six grams of 32P, determine how many grams would remain after 112 days
At 0.0oC, if the volume of air is 3.3 mL and the pressure of the atmosphere that day is 835 mmHg, what is the number of moles of air?
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