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Question - The half life of a first order reaction is 1.5 hours. How much time is needed for 94% of the reactant to change to product?
Your respond must be supported by illustrations, Please answer with work shown to receive points
A process occurs spontaneously and DSsystem 0DSuniverse > 0The pressure is constant.Both (a) and (b) are correct.All of these answers are correct.
What is the molar mass of a gas if 0.250 g of the gas occupies 215 mL at 618 mmHg and 30.0°C?
Recall from class that we estimated the pi bond in ethylene to be about 350 kJ/mol. Use the same approach to estimate the strenghth
Compute the volume of a 20.0ug/mL Fe2+ solution needed to make standard Fe2+ solutions of 5.0ug/mL, 1.0ug/mL, and 0.50ug/mL in 100mL volumetric flasks.
Draw the Newman projection formulas for the conformations of 2- methylbutane that are obtained by looking down the C2-C3 bond. Rank then oorder of relative stability
Calculate the value of the reduced mass of a hydrogen atom. Take the masses of the electron and proton to be 9.109390x10-31kg and 1.672623x10-27kg, respectively. What is the percent difference between this result and the rest mass of an electron
How is concentration an intensive property? I mean if you add more amount of a substance(mass), the number of moles increase and so the concentration increases.
When given the reactants in a reaction and their concertration and the time it takes for the reaction to occur, how do you find the rate expression, the order of reaction for each reactant, and the k constant for the reaction
Question- First determines if there is a reaction in each of the following cases. If there is, write the products, including their physical states. It is not necessary to balance the equations. Also if there is no reaction, just write "NR".
The electron microscope has been widely used to obtain highly magnified images of biological and other types of materials. When an electron is accelerated through a particular potential field,
Explain fructose solution with a concentration f 80mg/ml, but need to take 3.5L of fructose solution with a concentration of 300 mM.
Calculate the pH of 9.2E-8 M NaOH, ignoring activity coefficients. Report the pH using the correct number of decimal places.
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