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State a balanced chemical equation for the following redox reaction I- (aq) + NO3- (aq) I2 (s) + NO (g)
A 27.21 g sample of a substance is initially at 25.4 °C. After absorbing 2591 J of heat, the temperature of the substance is 199.8 °C. What is the specific heat (c) of the substance?
How many molecules of carbon dioxide are produced when 123 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
Base was 2-aminobenzamide with a melting point of 111-114 Celsius, Neutral was Fluorene with a melting point of 114-116 Celsius.
An iron chloride compound contains 55.85 grams of iron and 106.5 grams of chlorine. What is the most likely empirical formula for this compound
what is the biological importance of oh- hydroxide what are the daily minimum requirements what are the effects of
If a layer of peat beneath the glacial sediments of the last ice age has a carbon-14/carbon-12 ratio that is 23.6% of that found in living organisms. Explain how long ago was this ice age
A proton in a magnetic field has two spin states
Calculate the [OH-] of each aqueous solution with the following [H3O^+] at 25 degrees c: a. Baking soda, 1.0x 10^-8M b. Orange juice 2.0x 10^-4 M c. milk 5.0 x 10^-7 M D bleach 4.8x 10^-12m
If there are 1.8 million people served by this water and each person uses 750 L of water a day, how many kilograms of sodium hypochlorite must be added to the water supply each week to maintain the 1.00ppm chloride level
At 35°C and 1.30 atm, the density of a gaseous hydrocarbon is 2.262 g/L. The hydrocarbon could be
List the order of nucleotides in the DNA strand complementary to the section with the sequence [TTAGACGAC]. (2) How many codons does this represent?
a 325ml sample of gas is intially at a pressure of 721 torr and a temperature of 32 cecius. if this gas is compressed
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