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Many students find that the absorbance of the DNS reaction with Diet Sprite is lower than the absorbance of water blank? Explain
argon gas is ten times denser than he gas at the same temperature and pressure. which gas is predicted to effuse
Sulfur dioxide is made from the reaction of sulfur dioxide and oxygen: 2 SO2(g) + O2(g)to 2 SO3(g). What is the maximum volume of SO3 produced in a reaction of 1.91 g SO2 with 1.29 g O2? The SO3 gas is collected at STP conditions.
CO +H2O ->
determine the total pressure in the flask AND the height difference between the two arms of the manometer.
In the electrolysis of water, 2h20 yields 2h2 plus o2, if the volume of oxygen produced was 8ml, what would be the volume of hydrogen produced?
What is the Pauli exclusion principle. Specificity and selectivity are important concepts to understand in terms of chemical binding. Define specificity and selectivity? How do they differ. For a drug which is preferred, specificity or selectivity..
55.0 calories of heat are added to a small lead block. If the temperature of the lead increases from 27.0°C to 59.2°C, what must be the mass of the lead block?
If you add a solvent called "dioxane" to water, a homogenous mixture forms. Dioxane and water have the same boiling point (100oC). How do you explain that the mixture of the two compounds shows a boiling point that is lower than the one found for ..
When 20.6 gm of methane and 39.7 gm of chlorine gas undergo a reaction that has a 73.3 % yield. What mass of CH3Cl forms. Hydrogen chloride also forms.
how much heat energy is required to change 1.00*10^3 of ice at -30.0c to steam at 150c
We use standard addition methods when our sample has matrix effects which are hard to duplicate in a blank. Let's again find the amount of Pb+2 in a blood sample. A 5.00 mL blood sample containing lead yielded a signal of 0.712 units.
Consider the following reaction at constant P. Use the information here to determine the value of Delta-Ssurr at 398 K. Predict whether or not this reaction will be spontaneous at this temperature
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