Explain how much potassium chlorate is required to form
Explain how much potassium chlorate is required to form the 20.0 mL of oxygen gas at the 670 mmHg and 20oC given the equation: 2KClO3(s) →2KCl(s) +3O2(g)?
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A 0.8870-g sample of a mixture of KCl and NaCl is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.822g of AgCl. Determine the percent by mass of each compound in the mixture
If melting ice to water at 0°C requires 6.01 kJ/mol, determine the fewest number of laser pulses need to melt 10.0 g of ice when a single pulse of a laser yields an average of 5.00 ×1018 photons with λ = 633 nm.
Determine how many grams of CO are produced at 298 K? At 1000 k if excess C is allowed to react with 25.0 g of CO_2 in a 3.00-Lflask.
The probability that an individual has 20-20 vision is 0.17. In a class of 49 students, what is the probability of finding five people with 20-20 vision?
Compute the linear correlation coefficient for the data below.
What mass of iron is needed to prepare 15.16 g of the iron chloride product in the reaction of iron and chlorine if, under the conditions of the reaction, the electron configuration of the iron cation in the product is 1s2 2s2 2p6 3s2 3p6 3d6?
An electron in a TV picture-tube is accelerated from the rest via a potential difference of around 10 kV before it strikes the screen. Determine the velocity of the electron just as it strikes the screen?
A study was designed to determine the effects of two variables (1) a student's level of mathematical anxiety and (2) teaching method on a student's achievement in a mathematics course.
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