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Question: Anton Von L. a 17th century pioneer in the use of the microscope, described the microrganisms he saw as "animalcules" whose length was "25 thousandths of an inch." How long were the animalcules in meters.
What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
Assume that 0.406 mol Carbon (g) is placed in a cylinder that is expanding. The barometric pressure on the outside of the cylinder is constant at 1.00 atm and the temperature is 300.0 K.
Calculate the volume of a chromium atom in microliters if the volume of a single chromium atom(Cr) =8.10E-24 cm 3 and determine how many copper(Cu) atoms would there be in 159 milligrams of Cu if The mass of a single Cu atom = 1.06E-22 grams.
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
Calculate the equilibrium constant for each of the reactions at 25 ° C .O 2 (g)+2H 2 O(l)+2Cu(s)→4OH - (aq)+2Cu 2+ (aq) Express your answer using one significant figure.
Determine the calorimeter constant or eat capacity, for this calorimeter if the specific heat for water= 4.184 J/goC.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
Sodium atoms(Na) emit light with a wavelength(λ) of 330 nano meters when an electron moves from a state of 4 p orbital to a state of 3 s orbital now you just need to determine the energy difference between the orbitals.
Describe how this observation is consistent with the law of conservation of charge.
Determine the identity of the diatomic gas when a boy places 59.5 gm of a diatomic gas into a ten litres container at 25 degree Celsius (measures the pressure to be 2.053 atm. )
Calculate How many grams of pure, solid sodium hydroxide are needed to make 500 mL of 0.15M NaOH solution and also express the answer in just 2 significant figures?
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