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Sedaia [141]
3 years ago
11

Determine the energy in joules of a photon whose frequency is 3.55 x10^17 hz( with units)

Chemistry
1 answer:
kogti [31]3 years ago
3 0

i think it is this

Explanation:

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By which mechanism would a steroid molecule diffuse into the cell?
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Answer: Directly through the phospholipid membrane

Explanation:

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Because Steroids are fat soluble, non polar compounds, they can diffuse directly through the hydrophobic, non polar core of the phospholipid bilayer without the use of carrier proteins.

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The burning of methane gas, given below, is a redox reaction. which part of the reaction illustrates oxidation?
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The burning of methane gas, given below, is a redox reaction. which part of the reaction illustrates oxidation, Ch4+O2---CO2+H2O<span>CH4---CO2</span>
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describe in general terms an experiment to determine the molal freezing point depression constant kf of water. Assume the availa
Dvinal [7]
A solution (in this experiment solution of NaNO₃) freezes at a lower temperature than does the pure solvent (deionized water). The higher the solute concentration (sodium nitrate), freezing point depression of the solution will be greater.
Equation describing the change in freezing point: 
ΔT = Kf · b · i.
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First measure freezing point of pure solvent (deionized water). Than make solutions of NaNO₃ with different molality and measure separately their freezing points. Use equation to calculate Kf.

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3 years ago
What is clch2ch2ch2oh when oxidized?
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The first step of the oxidation of a primary alcohol involves conversion to an aldehyde via the elimiination of a hydrogen molecule. Thus, ClCH2CH2CH2OH becomes ClCH2CH2COH, which is 3-chloropropanal.
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