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jenyasd209 [6]
3 years ago
11

What is a substrate?

Chemistry
2 answers:
matrenka [14]3 years ago
8 0

Answer:

In chemistry, in general terms, a substrate is a substance that other substances can react with and cause it to change into something else by the reaction.

Explanation:

The word “substrate” can have different meanings, it depends on which science we are talking about.

In chemistry, in general terms, a substrate is a substance that other substances can react with and cause it to change into something else by the reaction.

In biochemistry, the enzyme substrates are organic materials where an enzyme acts to cause a reaction. The enzyme just acts as a catalyst and is not affected by the reaction, as it does not change its chemical structure.

In biology, a substrate is the material where organisms grow and live in optimal conditions and with the necessary nutrients.

In geology, the layers found beneath the soil are called substrates.

Alex3 years ago
7 0
The chemical species being abserved in a chemical reaction, which up having a reaction with reagent to generate a product
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A chemist prepares a solution of iron(III) bromide (FeBr3) by measuring out 41.1 mg of FeBr3 into a 50. mL volumetric flask and
allsm [11]

Answer: The molarity of Br^- anions in the chemist's solution is 0.0084 M

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

Molarity=\frac{n\times 1000}{V_s}

where,

n = moles of solute

V_s = volume of solution in ml

moles of FeBr_3 = \frac{\text {given mass}}{\text {Molar mass}}=\frac{0.0411g}{295.6g/mol}=0.00014mol

Now put all the given values in the formula of molality, we get

Molarity=\frac{0.00014\times 1000}{50}=0.0028

As 1 mole of FeBr_3 gives = 3 moles of Br^-

0.0028 moles of FeBr_3 gives = \frac{3}{1}\times 0.0028=0.0084 moles of Br^-

Thus the molarity of Br^- anions in the chemist's solution is 0.0084 M

5 0
3 years ago
How many moles of no2 are equivalent to 74.3g of no2
AfilCa [17]
<h3><u>Answer;</u></h3>

= 1.615 moles

<h3><u>Explanation</u>;</h3>

The molar mass of NO2

 = 46.01 g/mol

The mass of NO2 given is 74.3 g

Number moles = mass/ molar mass

                        = 74.3 g/ 46.01 g/mol

                       = 1.615 moles

6 0
3 years ago
Read 2 more answers
Calculate the de Broglie wavelength of a shotgun
snow_lady [41]

Answer : The de Broglie wavelength will be 3.68\times 10^{-33}m

Solution :

The formula used for de Broglie wavelength is:

\lambda=\frac{h}{mv} ..........(1)

where,

\lambda = wavelength  = ?

h = Planck's constant  = 6.626\times 10^{-34}Js

m = mass  = 1.2 g = 0.0012 kg

Conversion used : 1 kg = 1000 g

v = velocity  = 150 m/s

Now put all the given values in equation 1, we get:

\lambda=\frac{6.626\times 10^{-34}Js}{(0.0012kg)\times (150m/s)}

\lambda=3.68\times 10^{-33}m

Therefore, the de Broglie wavelength will be 3.68\times 10^{-33}m

3 0
3 years ago
What are two properties of diamonds that make them different from other forms of carbon?
Airida [17]
They are tetrahedral in shape
they carbon atom share all four of its outer electrons with other carbon atoms to form 3D shape
6 0
3 years ago
Is it A,B,C,D please explain why you choosed that?
Verdich [7]

Answer:

C.

Explanation:

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4 0
3 years ago
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