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The melting point of Ca is 851 C, it's solid state specific heat (Csolid) is ).632 J/g C, and its heat of fusion is 233 J/g. How much energy, in joules, is required to melt 52.0 g of Ca at each of the following initial temps? a) its melting point b) 35.0 C c) 685 C below Ca's melting point
Determine whether each of the following salts will form a solution that is acidic, basic, or Ph -neutral. K2CO3, KCl, NH4ClO, CH3NH3Cl, Fe(Clo4)3
Combustion analysis of naphthalene, a hydrocarbon used in mothballs, produced 8.80 g CO2 and 1.44 g H2O. Calculate the empirical formula for naphthalene?
When X rays of wavelength 0.096 nm are diffracted by a metallic crystal, the angle of first-order diffraction (n = 1) is measured to be 15.2°. What is the distance between the layers of atoms responsible for the diffraction?
For many compounds, it is possible to draw multiple Lewis dot structures that are simplifications of the structure of the true molecule. The actual structure of the molecule
Write equations to show the products that form I the reactions of cyclohexene with potassium permanganate and bromine.
What is the formula for the compound formed between germanium with a valency of (IV) and iodine? a. Ge4I2 b. Ge2I4 c. GeI4 d. GeI2
what will heating tert-butyl chloride with 1.oM NaOH in a mixture of water and methanol yeild?
what happens to NH3+H2O=NH4+OH when you add NH4Cl?. what type of change is this, which way is the equilibrium shift, and please explain.
compound has been analyzed and found to contain the following masses of elements: Carbon 0.2990g, hydrogen 0.05489g, nitrogen 0.2318g, and oxyen 0.1328g. calculate the tmpirical formula of the compound.
If the standard deviation of your pipet is 0.018 mL, what is the chloride concentration ppt (W/V) of you sample?
Describe how the pseudo rate constant, k', is determined from the experimental data? Also describe how k, the true rate constant, is determined from the experimental data
Draw the major E2 reaction product formed when (1R,2S,4S)-2-chloro-4-methyl-1- (propan-2-yl)cyclohexane (shown below) reacts with hydroxide ion in DMSO.
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