What is the massof one mole of silicon carbide
one mole of silicon si has a mass of 28.086 g, and one mole of carbon has a mass of 12.011 g. what is the massof one mole of silicon carbide ?
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How much heat is required to take 13.9g of water from 35 degrees Celsius to steam at 120 degrees Celsius?
What is the concentration of Cl in a solution obtained by mixing 210 ml of 0.620 M KCl and 640 ml of 0.350M
What would the molar concentration of the tree sap have to be to achieve this pressure on a day when the temperature is 35?
The normal characteristics stretching frequency of the carbonyl group of a ketone in the IR spectrum is about 1720 cm-1. Pick out the carbonyl stretching frequency of dibenzalacetone in Fig.37.6. Why is it so much lower than expected?
A sample of toothpaste was analyzed for its fluoride content by treating a 250 mg sample with an ionic strength buffer to extract F- followed by dilution to 100.0 mL.
Calculate the amount of energy needed in calories to heat 145 g of water from 22.3 degrees celsius to 75.0 degrees celsius. (water in j/g degree celsius = 4.184, cal/ g degree celsius = 1)
Preferred stockholders have a priority over bondholders in the event of bankruptcy to the income, but not to the proceeds in a liquidation. Corporations cannot buy the preferred stocks of other corporations.
What color is the universal indicator when a double replacement reaction occurs with HCl and NaOH. The HCl turns the indicator red and the NaOH turns the indicator purple.
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