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When considering a neutral tin atom, how many electrons have ml = +1and ms = -½? Please explain your reasoning.
Acetaldehyde decomposes to methane and carbon monoxide according to the following balanced equation-
(A) What mass of Potassium hydrogen carbonate is needed? (B) What volume of 0.32 M HCl is needed to react completely with the amount of potassium hydrogen carbonate from 2(a)
which compunds moves to the aqueous NaOH? Provide the chemical reaction that occured when NaOH was added. Clearly indicate the different between ionic bond and covalent bond.
Rubidium chloride has the rock salt structure. Cations and anions are in contact along the edge of the unit cell, which is 658 pm long. The radius of the chloride ion is 181 pm. What is the radius of the Rb+ ion?
Draw a structural formula of an alkene or alkenes (if more than one) that undergo acid-catalyzed hydration
What quality of heat energy, in J, is required to raise the temperature of 454g of tin from room temperature, 25.0C to its melting point, 231.9C, and then melt the tin at that temperature
if an analyte exhibits both absorbance and fluorescence at a given excitation wavelength what will doubling the
0.1 g of Na2CO3 - K2CO3 powder mixture was reacted with excess HCl. According to the gas volumetric measurement, 20.4 cm^3 of CO2 was evolved at 25 degrees Celcius and 730 Hgmm pressure. Calculate the composition of the original mixture
Question- The corona of the sun emits a spectral line at about 677 m due to the presence of an ionized 57Fe atom (molar mass of 0.0569 kg mol^-1). If the line has a width of 0.053 nm, what is the temperature of the corona
The volume of a sample of nitrogen gas initially at STP is decreased and at the same time the temperature is increased. What happens to the pressure of the sample?
The vapor pressure of benzene is 53.3 kPa at 60.6 degrees Celsius. 19 grams of an in volatile unknown solid are dissolved into 500 grams of benzene as well as the benzene vapor pressure falls to 51.5 kPa. Explain what is the molar mass of the soli..
Standard Temperature Pressure and Volume, The respiratory rate of a person is 20 breathes per minute. If every average breath is about 310cm^3 of air at 22C and 740mmHG
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