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There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
A copper zincs voltaic cell is constructed using 100 ml solutions if 1 M solutions of copper sulfate and zincs sulfate with a sodium sulfate salt Bruges.
Consider the cell reaction Sn(s) + Cu2+(aq) ? Sn2+(aq) + Cu(s). The value of Ecell is 0.447 V at 25°C. Calculate the value of ?G° and K for this cell.
for a certain change the value of U is -2.37 kJ. During the change, the system absorbs 650 joules. how much work did the system do.
Use oxidation states to identify the oxidizing agent and the reducing agent in the following redox reaction. Express both answers as chemical formulas. 1. 2Na(s)+2H2O(l)--->2NaOH(aq)+H2(g)
The rate constant for the second- order reaction.starting with a concentration of 0.86m, calculate the concentration of NOBr after 57s.
What is the PH change of a 0.270M solution of Citric Acid (pKa = 4.77) if citrate is added to a concentration of 0.145M with no change in volume?
A researcher is interested in studying the effect of vanadium (V) on egg albumen. He wants to supplement the V to 1 metric ton of his laying hen diet at a concentration of 100 ppm.
H2O is amphoteric meaning it can act as both a Bronsted acid and a Bronsted base.Show that H2O really is amphoteric by writing the relevant equations
how many grams of calcium carbonate , CaCO3, do you need in an antacid tablet to neutralize 20 ml of stomach acid ?
what is the final temperature when 125 g of iron at 92.3 degc is dropped into 50.0 g of water at 27.7 degc? the
The partial molar volumes of water and ethanol in a solution with x(H2O) = 0.40 at 25 degrees C are 16.9 and 57.5 cm^3/mol, respectively.
Imagine that you have two iron blocks, one with a mass 226 g at a temperature of 46.0 oC, and another with a mass 380 g at a temperature of 134 oC. The two blocks are brought into contact with each other in an insulated container. What is the fina..
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