When an unknown substance is empirically determined
Calculate the molecular formula and its correct molecular weight when an unknown substance is empirically determined to be 6.67 % hydrogen, 40 % carbon by weight and the 53.33 % oxygen. Its molecular weight is roughly 55 g/mol.
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The arrangement is initially vertical and stationary. The combination is free to pivot around the bottom end of the rod after being given a slight nudge. After the combination rotates via 90 degrees, determine its rotational kinetic energy?
Other mix has 3/4 nuts and 1/4 raisins and will sell for $9.50 per kg. How many kilograms of every mix must company prepare for maximum revenue? Determine maximum revenue.
Discuss how do you minimize bias when conducting a project? Determines the dependent and independent variables? What are the different ways variables may be arranged (2-factor, nested, etc.).
How large the sample should be taken if the population mean is to be estimated with 99% confidence to in $69? The population has a standard deviation of $908. (Round you answer up to the nearest whole number.)
Relative to the stationary reference frame fixed to the laboratory, the particle travels at a distance of around 1.16*10^-3 m before disintegrating.Determine the distance evaluated by a hypothetical person traveling with the particle?
Calculate the chemical structure of a phospholipids molecule and describe how this structure leads to the formation of membranes when phospholipids are placed in water?
Assume that it is moving at a speed of around 0.970c and an observer who is stationary in a laboratory measures the lifetime of a particle to be 2.50*10^-8 s. (i) Determine the lifetime according to a hypothetical person who is riding all along wit
An experiment was done where in the 3.25grams of O2 were reacted with excess theH2 to form the water. The chemical equation is O2+2H2 yields 2H2O.
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