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How would you explain the skeletal muscle cell contraction were there no tubules?
What would be the pH of 87 mL of the buffer to which 8.5 mL of 0.11 M hydrochloric acid has been added?
A bottle containing 330 of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Among the electrolytes Na2SO4, CaCl2, Al2(SO4)3 and NH4Cl, the most effective coagulating agent for Sb2S3 sol is
Question- The standard cell potential of the iron-nickel galvanic cell is 0.19 V. The cell reaction is Fe (s) + Ni2+ (aq) ? Fe2+ (aq) + Ni (s). Therefore, if the reduction potential for Ni2+ (aq) is - 0.25 V, the reduction potential for Fe2+ (aq) ..
An emission line K atom is found to have two strongly spaced components, one at 766.70 nm as well as the other at 770.11 nm. Account for this observation as well as deduce what information you can
How would the calculated molar mass change(increase,decrease,no change) if the following experimental problems were encountered? explain the reason for your answer. (a)the unknown was impure and only part of the unknown dissolved in the lauric aci..
An aerosol can has an internal pressure of 3.85atm at 25 degrees celsius. What temperature is required to raise the pressure to 18.0atm
Problem- When hydrogen behaves as an ideal gas and its temperature increases from 250K to 550K, its enthalpy increases by more than 10kJ/mol
Some water was added to the initial reaction mixture in the procedure you performed. a. How might the yield of 1-bromobutane be affected if the water were not added, and what product(s) would be favored
A 1.80-g sample of a large biomolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C
The current dietary recommendation is to consume less than 0.1 mol of sodium per day. one teaspoon of table salt.
When two atoms form a covalently-bonded diatomic molecule, the distance between the nuclei at which the potential energy is at a minimum is called
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