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Compare and contrast prokaryotic and archaean cells. Which are most similar to eukaryotic cells?
Create an online for a research paper. The topic is "Listeria in ready to eat foods". Please include references
Assume that the initial purple solution is 16.05mg/L in sodium salicylate, 0.15M in HCl and 0.065 M in iron(III) ions. What are the concentrations of these three once you diluted the 10.00 mL to a final volume of 50.00 mL in the volumetric flask
A sample of N2 (g) occupies a volume of 42.0 mL under the existing barometric pressure. Increasing the pressure by 85 mmHg reduces the volume to 37.7 mL. What is the prevailing barometric pressure in mmHg
Identify the ground state with spin multiplicity for the following cases: Cu2+ in a Td environment V3+ in an Oh environment Cr3+ in an Oh environment Mn2+in a Td environment Cu2+ in an Oh environment
Approximate the rate mol/min that ethanol is removed from the crystals, presuming that ethanol exerts the same vapor pressure as if it were pure liquid. Based on this assumption estimate the residence time for the crystals in the dryer. The dryer ..
Given an aqueous solution that is 20% NH4Cl, calculate the molality. Use the molar mass of NH4Cl to help determine the answer.
water boils at 373 k.the molar enthalpy of vaporation for water is 407 kjmo1.if one mole of water is at 373 k when it
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
Assume that the octet rule is followed for the N atom when you draw your structure(s). Pick the correct statement from the choices below.
In the near future, the college will attempt to reduce the cost of chemicals used in campus laboratories. One option suggests the chemistry department use household chemicals instead of expensive laboratory grade materials were ever possible.
a 0.421 g sample of aspirin prepared in the laboratory is dissolved in 95 ethanol diluted with water and titrated to a
the normal melting point of water is 273.15k and deltahfus 6010 jmol. calculate the change in the normal freezing
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