3 years ago

Plants use a process called photosynthesis to survive. What

Chemistry

1 answer:

TEA [102]3 years ago

7 0

Answer:

Explanation:

Glucose is produced through a process powered by sunlight that consumes Carbon Dioxide and produces oxygen as a waste product. In order for glucose to be produced, Carbon dioxide (a compound) must be, in essence, converted into a completely different chemical: dioxygen.

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NaHCO3 is an example of -

bezimeni [28]

Answer:

sodium bicarbonate

Explanation:

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3 years ago

What are weak bonds that allow flexibility in an enzyme

34kurt

Enzymes are characterized to have weak bonds because their tertiary structure could easily bend and break because it will have to adjust to the shape of the substrate. It could be done via induced fitting or lock-and-key theory. These weak bonds are intermolecular forces like the London forces, electrostatic interactions and hydrogen bonding.

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3 years ago

. How many milliliters of 0.20 M HCl are needed to exactly neutralize 40. milliliters of 0.40 M KOH

Anuta_ua [19.1K]

Answer:

$V_{HCl}=80mL$

Explanation:

Hello,

In this case, for the given reactants we identify the following chemical reaction:

$KOH+HCl\rightarrow KCl+H_2O$

Thus, we evidence a 1:1 molar ratio between KOH and HCl, therefore, for the complete neutralization we have equal number of moles, that in terms of molarities and volumes become:

$n_{HCl}=n_{KOH}\\\\M_{HCl}V_{HCl}=M_{KOH}V_{KOH}$