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The difference in pathlength traveled by the incoming and outgoing rays from a diffraction grating is 750 nm. If there was third order diffraction, at what wavelength would constructive interference occur?
a sample of gas in a cylinder as in the example in part a has an initial volume of 40.0 l and you have determined that
What mass of carbon reacts completely with 17.8 grams of SiO2 according to the following equation? SiO2 (s) + 2C (s) → SiC (s) + 2CO (g)
Find the rate of the reaction - What is the rate of the reaction?
suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 122
CaCl2 is used to lower the freezing point of water on streets and sidewalks. Assuming it forms an ideal ionic solution, how many grams of CaCl2 must be added to 1.50 kg of water to lower the freezing point of the mixture to -2.00* C? Kf for water ..
Explain why the in phase vibration is located at a higher frequence than the out of phase stretch in the case of acetylene.
the reaction conditions are influencing the directing effect of the -NH2 group. Explain why this occurs, using both words and structures.
One liter of O2, one liter of N2, and one liter of H2 are collected at a pressure of three atmospheres, each in a different container. The three gases are then forced into a single vessel of one-liter capacity,
Two 20.0-g ice cubes at -16.0 °C are placed into 245 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Rank the bonds of CaBr2, CH4, and Na3N, in order of decreasing ionic character. Where do we always find compounds containing metals, in this ranking order?
a 1.800 g sample of phenol c6h5oh was burned in a bomb calorimeter. the calorimeter contains 1250 g of water and the
What products result from the addition of aqueous solutions of F_e (C_2 H_3 O_2 )_2 (aq)and N_a3 PO_4 (aq)?
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