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What volume of .250 M NaOH is required to neutralize a 10mL sample of .750 M HCl?
Calculate the mass of one oxygen atom and determine the number of oxygen atoms in a 10.00g sample of the element.
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
What property of the atom did Moseley associate with the wavelength of X-rays emitted from an element in his experiments?
Compute the final temperature of the solution (assuming no heat lost to the surroundings ) the solution has a specific heat capacity = 4.18 J/°C·
a buffer is prepared by mixing .200 mole of formic acid with .300 mole of sodium formate in a volume of 200 ml what is the initial ph.
Determine what volume of HI, will be produced at the same temperature and pressure, If all the H2 and I2 are consumed?
Determine what is the total mass of glucose in 5.10L of blood If a person has a glucos level of 108 mg.100mL, ? express your answer in grams?
Why can't i reduce carboxylic acid using sodium borohydride while lithium aluminium hydride can do the same thing.
Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries.
Using a phosphorus 12.39 g sample that reacts with 42.54 grams of chlorine to produce only phosphorus Trichloride (PCl3). If it is the only product, determine what mass of PCl3 is formed?
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
Calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.0 electron volts.
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