12/09/20
The reaction C2H5OH (l) + O2 (g) → CO2 (g) + H2O (g) is an example of which of the following reaction types? (Choose ALL that apply.)
Acid-Base (Neutralization)
Combination (Synthesis)
Combustion
Decomposition
Double Displacement (Double Replacement, Exchange)
Oxidation-Reduction...
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06/06/20
describe motion of the object
An object has a constant acceleration of 40 ft/sec2, an initial velocity of -20 ft/sec, and an initial position of 10 ft. Find the position function, s(t), describing the motion of the object.
06/06/20
What is the experimental yield of sodium carbonate? What is the percent yield for sodium carbonate?
Assume that your empty crucible weighs 15.98 g, and the crucible plus the sodium bicarbonate sample weighs 18.56 g. After the first heating, your crucible and contents weighs 17.51 g. After the...
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06/06/20
How much CO2 will be produced by this reaction?
For the reaction ? C6H6 + ? O2 → ? CO2 + ? H2O 32.3 grams of C6H6 are allowed to react with 85.94 grams of O2. How much CO2 will be produced by this reaction? Answer in units of grams. ps: i have...
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06/05/20
the standard enthalpy of formation of CH4(g)
A scientist measures the standard enthalpy change for the following reaction to be -208.7 kJ :CO(g) + 3 H2(g)CH4(g) + H2O(g)Based on this value and the standard enthalpies of formation for the...
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06/05/20
what is the final temperature of the aluminum?
A sample of solid aluminum is heated with an electrical coil. If 164 Joules of energy are added to a 11.6 gram sample initially at 21.1°C, what is the final temperature of...
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05/16/20
Calculus help I dont understand this question
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the population of this area was 954,700, and the population was increasing at...
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