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FinnZ [79.3K]
4 years ago
14

The belief that race indicates certain traits and capacities and that one's own race is superior is called

Physics
1 answer:
EleoNora [17]4 years ago
7 0
The answer is RACISM.
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The activation energy of a reaction going on its own is 20 kj. If the reaction was treated with a catalyst, which would most lik
storchak [24]

Answer:

15 kJ

Explanation:

We need to know the following;

what is activation energy?

  • Activation energy is the minimum energy required by reactants for a chemical reaction to take place.

What are catalysts?

  • Catalysts are molecules or substances that speed up the rate of a chemical reaction.
  • In other words, catalysts increase the speed at which products are formed from reactants.

How do catalysts speed up reactions?

  • Catalysts speed the rate of chemical reactions by lowering the activation energy of the reactants.
  • When activation energy is lowered, reactants require less energy for the reaction to occur which easily achieved making the reaction proceed faster.
  • Therefore, in presence of a catalyst, the new activation energy should be lower than the initial value of activation energy.
7 0
3 years ago
Read 2 more answers
What is the lewis structure of the covalent compound that contains one nitrogen atom
mario62 [17]

Full Question:

What is the Lewis structure of the covalent compound that contains one nitrogen atom, one hydrogen atom, and one carbon atom?

Explanation:

This covalent compound is the hydrogen cyanide, HCN.

The following steps are used to obtain it;

Step 1. Draw a skeleton structure of the compound based on the elements

Put the least electronegative atom C in the middle with H and Cl on either side.

H-C-N

Step 2. Count the valence (outermost) electrons you can use

H + C + N = 1 + 4 + 5 = 10

Step 3. Add these electrons to give every atom an octet

You have to put a triple bond between C and N.

Note: Each bond is made up of two electrons.

The lewis structure is given in the image below;

3 0
3 years ago
Why did the ice melt so quick science method pls help ‍♀️‍♀️
blagie [28]

Answer:

Bcuz when solid is near heat it changes to liquid this is called physical change

6 0
3 years ago
A spider twirls a 25 mg fruit fly around in a circle with radius 17.6 cm at the end of a web. If the velocity of the fly is 110
olchik [2.2K]

Answer:

Fc =  1.7x10^-4 N

Explanation:

Convert everything to proper units:

m = 25mg = 2.5x10^-5 kg

r = 17.6cm = 0.176m

v = 110cm/s = 1.1m/s

the formula for centripetal force is Fc = mv^2 / r

Plug everything and solve for Fc;

fc = (2.5x10^-5)(1.1^2) / 0.176

Fc =  1.7x10^-4 N

8 0
4 years ago
Make a list of petroleum products and mention their uses.
Maslowich
1) nose moisturizer
2)split end
3) hair conditioner
4) lubricant
5)dry skin. vasalene

gas
1) fuel 4 cars
2)fuel 4 homes

I'm sure not a full list, but hoping 2 help
5 0
3 years ago
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