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A compound contains: 23.71% O, 23.76% S, 52.47% Cl. If it takes 46 seconds for this compound to effuse through the same plug through which the same amount of Argon, Ar, passed in 25 seconds. What is the molecular formula of the compound?
The molecule AX3, in which A is the central atom, is polar and obeys the octet rule. How many lone pairs of electrons does A have
How many grams of potassium chlorate decompose to form potassium chloride and 450. mL O2 at 128°C and 750. torr?
calculate the emf of a cell operating with the followingreaction at 25oc in which mno4- 0.010 m br- 0.010 m mn2 0.15
Study The chemical reaction Fe + I2 = FeI2 Then, write balanced half-reactions describing the oxidation and reduction that happen in this reaction
The complex formed between Cu(I) and 1,10 phenanthroline has a molar absorptivity of 7000 L cm-1 mol-1 at 435 nm, the wavelength of maximum absorption.
The density of titanium metal is 4.51 g/cm3 at 25 °C. what mass of titanium displaces 125.0 ml of water at 25 °C. The density of benzene at 15 °C is 0.8787 g/mL. calculate the mass of 0.1500 L of benzene at this temperture.
Determine the amount of energy or work that the silicon nitride tip could absorb before being plastically deformed, assuming no initial cracks. Volume is in part A.
When ammonium nitrate is added to water, the temperature of H2O drops, but when sodium hydroxide is added to H2O, the temperature rises. Explain why the temperature of water can change in different ways when an ionic substance is added.
whaween the is the relationship between the dipolemoment and the bond moment? how is it possible for a molecule tohave
0.330 mol of HI are introduced to an evacuated 3.00l reaction vessel. at a specific temperature,the rquilibrium constant is 0.0156. Calculate the concentration of all substances at equilibrium.
A 40-year old weighs 150 lb experience abdominal pain and says he consumed two 12oz bottle of beer. The alcohol in the beer is about 5 % alcohol and he said he was drinking over a hour.
Methanol (CH4O), which is used as a fuel in high-performance racing cars, burns in the presence of O2 to form CO2 and H2O. The molar masses for all substances are given under the balance equation.
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