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The sun is 93 million miles from earth. Explain how many minutes does it take for light to travel from the sun to the earth? The speed of light is 3.00 x 108 meters per second.
What is the volume of sulfur dioxide (SO2 gas), formed when 2 moles of carbon disulfide (CS2) are burned ?
Calcium carbide, CaC2, reacts with water to form acetylene. CaC2(s) + 2 H2O(l) -> C2H2(g) + Ca(OH)2(s)
Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel.
starting in the ground state n 1 is a hydrogen atom an electronis excited to a higher energy level by absorption of
Sketch a voltaic cell represented by the line notation below. Write the overall balanced redox reaction equation and calculate Eocell Mn(s) | Mn2+(aq) || ClO2-(aq) | ClO2(g)
What type of mineral source (sulfide, oxide, halide, phosphate, silicate, carbonate, etc) are the following elements typically isolated from? Write the chemical formula for the source mineral (for example: silver, typical mineral source = silver s..
one heating 5.03 g of hydrate barium chloride, 4.23 g is left behind. what is the name of this hydrate?
24.4 grams of metal was heated in boiling water and then dropped in a calorimeter containing 100 grams of water. The temperature before the metal was dropped in was 23 C and the final temperature was 25.1 C. specific heat
The soda ash in your analysis was assumed to be pure Na2CO3. How would the volumes change if some of the Na2CO3 were replaced with an equal number of formula weights of NaOH at
the equilibrium constant for the following reaction has the value 2.1103 at a particular temperature.h2g f2g 2 hfgwhen
Which of the following hast the greatest buffer capacity. a)0.40 M CH3COONa/0.20 N CH3COOH, b) 0.40 M CH3COONa/0.60 M CH3COOH, and c) 0.30 M CH3COONa/0.60 M CH3COOH
hydrogen peroxide is a powerful oxidizing agent used in concentrated solution in rocket fuels and in dilute solution as
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