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3 years ago

What is the function of a lyase enzyme?

Chemistry

1 answer:

elena55 [62]3 years ago

5 0

Answer:

c. To facilitate a reaction of one substrate to form two products without the use of water

Explanation:

A lyase is an enzyme that catalyzes - accelerates the chemical reaction - in which a substrate is broken into two molecules. The reaction does not involve hydrolysis or oxidation, so the water molecule is not included in the chemical reaction. Thus, the enzyme facilitates the reaction in which a molecule (substrate) is decomposed into two molecules with the elimination of chemical bonds.

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Ron and Hermione begin with 1.50 g of the hydrate copper(II)sulfate·x-hydrate (CuSO4·xH2O), where x is an integer. Part of their

iris [78.8K]

Answer:

Explanation:

We can obtain the value of x by doing the following:

Mass of hydrated salt (CuSO4.xH2O) = 1.50g

Mass of anhydrous salt (CuSO4) = 0.96g

Mass of water molecule(xH2O) = 1.50 — 0.96 = 0.54g

Molar Mass of CuSO4.xH2O = 63.5 + 32 + (16x4) + x(2 +16) = 63.5 + 32 + 64 + 18x = 159.5 + 18x

Mass of water(xH2O) molecules in the hydrate salt is given by:

xH2O/CuSO4.xH2O = 0.54/1.5

18x/(159.5 + 18x) = 0.36

Cross multiply to express in linear form

18x = 0.36 (159.5 + 18x)

18x = 57.42 + 6.48x

Collect like terms

18x — 6.48x = 57.42

11.52x = 57.42

Divide both side by 11.52

x = 57.42/11.52

x = 5

Therefore, the unknown integer x is 5 and the formula for the hydrated salt is CuSO4.5H2O

8 0

4 years ago

A chemical equation can be used to solve stoichiometry problems provided that it....

Zolol [24]

Answer:

includes the coefficients that are needed for balancing the equation.

Explanation:

3 0

3 years ago

Read 2 more answers

A liquid in lab has a density of 1.24g/cm3. What is the mass in grams of 254mL of the liquid?

o-na [289]

Answer:

Mass= 314.96 grams

Explanation:

The density of the substance is defined as mass per unit volume of it.

The formula is :

$density=\frac{mass}{Volume}$

Unit conversion:

1 liter = 1000 ml

$1dm^{3}=1Liter$

$1dm^{3}=1000ml$ ....(1)

$1dm^{3} = (10cm)^{3}$

$1dm^{3}=1000cm^{3}$

Replace The dm3 by cm3 in (1)

$1000cm^{3}=1000mL$

$1cm^{3}=1mL$

Volume = 254 mL = 254 cm3

Calculation of mass

$density=\frac{mass}{Volume}$

$1.24=\frac{mass}{254cm^{3}}$

$mass=1.24\times 254$

Mass= 314.96 grams(or 315 grams)

Note: Always makes same units before solving the question. You can not determine the mass if Volume is in mL and Density is in g/cm3. Change mL into cm3 first

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3 years ago

What are some differences between a human , a dog a frog and a fish name 3

AleksandrR [38]

Well, human bodies differ from all those animals.

7 0

4 years ago

Read 2 more answers

What is the volume in liters of 321 g of liquid with a density of 0.84 g/mL

ss7ja [257]

Mass / density = volume
321g / 0.84 = 382.142857

5 0

4 years ago