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We encounter solids, liquids and gases throughout everyday. In many instances, those encounters include changes between these 3 different states of matter. Get creative and identify situations where a substance changes between states of matter. Identify 2 gases and tell whether their bonds as ionic, polar covalent or non polar covalent.
Please find the molar volume of a gas at 98°C and 2.5 atmospheres pressure.
heptanol has the formula c7h16o and can be combusted in the presence of oxygen. if 15.0 g of heptanol is combusted in
When 83.6 joules of heat is added to 2 grams of water at 10 degrees Celsius, the temperature of the water increases to what value?
What difference would you expect to see between the ionizaition energy of element 115 and that of element 116? Which IE would be larger? Explain in terms of expected electron configurations.
A solution is prepared by mixing 70.0 mL of 0.010 M BaCl2 and 175 mL of 0.080 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4? ) are present.
The density of 70.4 wt% aqueous nitric acid, HNO3, is 1.41 g/ml. 1. How many grams of solution are in 1.500 L?
Suppose that for the precipitation of the stock solution of borzac, the solid borax reagent is contaminated with a water-souble substance that does not eact with HCl.
This is question is about the Purification Via Chromatography lab: 1.) Briefly discuss the interactions involved in a TLC plate (silica gell and solvent system; adsorption versus solubility). How does variation in polarity of a solvent system affe..
Using the method of successive approximations, what is [H3O+] in 0.00500 M CH2ClCOOH(aq) (Ka=1.4x10^-3) and how many iterations (n) are needed to validate that a constant value had been obtained? Express [H3O+] using two significant figures, follo..
Explain the meanings of Vmax and Km. How do you get them from a graph of v vs. [S]. Draw a generic example and label appropriately. What are the differences between a competitive and non-competitive inhibition
Utilize 4-Methylcyclohexanol plus an acid (H3PO4) also heat to synthesize 4-Methylcyclohexene + H2O. Get a good percent yield. Does this reaction take place via and E1 or an E2 pathway
a sample of a mixture of kclo3 and kbr weighing 7.0950 g is heated in the presence of a small amount of mno2 which acts
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