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Problem- Cyclopropane, C3H6, is an anesthetic given by inhalation. How many grams are in 0.21mole of cyclopropane?
Write solution with complete explanation of required steps
Two drops of 0.20 M imidazole solution were added to a solution containing ferrihemoglobin. The mass of the ferrihemoglobin solution was measured before the addition of the imidazole and the mass of the final solution was measured after adding the..
How many coulombs of charge are required to cause reduction of 0.20 mole of Cr3+ to Cr? A. 0.60C B. 3.0C C. 2.9×104 C D. 5.8×104 C E. 9.65×104 C an explanation please
A 4.5 g nugget of gold absorbed 276 j of heat. What was the final temperature of the gold if the initial temperature was 25 OC ? The specific heat of gold is 0.129 j/g OC.
Problem- What is the chemical equation for the above. Is there a reaction? If so, what are the balanced 1) molecular, 2) ionic, 3) net ionic equations? What are the states in the net ionic equation
An aqueous solution is made by dissolving 24.5 grams of manganese(II) chloride in 466 grams of water.
An aqueous solution of fotmic acid can be used to promote a ring-closing reaction
Two gases, H2 and O2 are in flasks with volumes of 2L and 1L, respectively, separated by a stopcock. While the stopcock is opened, the gases mix thus that the total volume is 3L assume 1atm pressure.
calculate the solubility of potassium bromide at 23 degrees celuius.assume that the solubility increases by an equal amount for each degree between 20 and30 degrees
Problem- You would like to create a reflection grating like the one shown at the right, with an incident angle (θ) of 49 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions
Calculate the molar gibbs energy of fusion (melting) for water at -3degree and 1bar, given that Cp(s)=38J/kmol Cp(l)=75.3j/kmol
Concentrated hydrochloric acid is 12 M and has a density of 1.18 g/mL. Calculate the mass in grams of a 0.025 L sample of concentrated hydrochloric acid.
A 2.51 g ore sample dissolved in acid required 28.62 mL of 0.0821 M KMnO4 to reach the equivalence point. Calculate the mass percent of iron in the ore.
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