For balance:. At room temperature, test tube holder NO2 Red Brown, but when I soak the stone bowls cups in test tubes, the tubes back lost color; take this tube continues to soak in a cup of hot water, then see the test tube turns reddish brown.a) factors would have affected the balance shift on? Determine the dimensions of balance in each case.b) response on the reaction exothermic or endothermic? Explains.c) pressure to affect the shifting balance of response on? Stated the phenomenon observed when the increase/decrease pressure.
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