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Write the formula of the compound that would be formed between these two elements: sodium and iodine; hydrogen and sulfur; aluminum and selenium.
Write formulas for these binary compounds, all of which are composed of nonmetal. Phosphorus trichloride; iodine monobromide; dinitrogen pentoxide.
Write formulas for these compounds: sodium nitrate; ammonium sulfate; calcium phosphate.
You'll find an example of this reaction below. Assuming air is composed of 0.030% carbon dioxide, calculate the volume of air required, at reference conditions, to produce 1.0 kg of sugar.
The vapor pressure of the liquid C4H10 is 562.7mmHg at a temperature of 264.6K. The enthalpy of vaporization for this liquid is 22.4kJ/mol. What is the vapor pressure of C4H10 at a temperature of 286.6K in mmHg
In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction:
A gas occupies 4.04 L at 860 torr and 10C. What volume will it fill if the pressure is changed to 731 torr and the temperature is raised to 43 0C?
What is the specific activity (in Bq/g) if 3.76 kg of an isotope emits 3.77 * 10^7 beta- particles per minute
Alpha helices are a type of secondary structure in proteins. What is the length of a 25-kDa single-stranded -helical protein segment. Assume a mean residue mass of 110 Da.
a bicycle tire is filled with air to a pressure of 100 psi at a temperature of 100 degrees c. riding the bike on
If the reaction mixture initially contains only O2(g) and F2(g), then at equilibrium, the reaction mixture will consist of essentially only OF2(g).
The very dense metal iridium has a face-centered cubic unit cell and a density of 22.56 g/cm3. Use this information to calculate the radius of an atom of the element.
what ion is the base in this reaction. What is the acid? What is the spectator ion in this rxn? Please be detailed and and show the states
Describe an experiment that could prove that the ADH-catalyzed oxidation of ethanol to acetaldehyde is stereospecific.
When a 18.5 g piece of copper originally at 99.5C is placed in 58.5 g of water at 24.0C, the temperature of the water rises to 26.1C. If the specific heat of water is 4.180 J , calculate the specific heat of copper. can you show work and the anser..
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