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Roman55 [17]
3 years ago
10

Copper is an example of a(n) __________.

Chemistry
2 answers:
Tpy6a [65]3 years ago
8 0
Hi, the answer is D. Element. 
navik [9.2K]3 years ago
7 0
The answer is D. element

It's not a mixture, just a pure element. Copper (Cu) is found on the Periodic Table of the Elements, where only ELEMENTS are organized.
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A panic attack can occur at anytime even in the absence of a stimulus.
san4es73 [151]
True, a person can have free floating anxiety that can trigger a panic attack without there being a specific stimulus.
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3 years ago
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73.5 mol of P4O10 contains how many moles of P ? moles of P:
Sholpan [36]

Answer:

294 moles of P

Explanation:

For every 1 mol of P4O10 contains 4 mol of P

so;

73.5 mol P4O10 × <u> </u><u> </u><u> </u><u> </u><u> </u><u>4 mol P</u><u> </u><u> </u><u> </u><u> </u><u> </u>

1 mol P4O10

= 73.5 × 4

= 294 moles of P

7 0
2 years ago
Match the following words.
azamat

Answer:

1. active site

2. substrate.

3. activity

4. cofactor

5. complex

6. coenzyme.

Explanation:

1. A substrate binds to an enzyme at the active site where the reaction occurs.

2. In a catalyzed reaction, a reactant is often called a  substrate.

3  activity is a measure of how fast an enzyme can convert the reagent to the  product.

4. An inorganic substance necessary for the function of some enzymes is called a cofactor.

5. When properly aligned, the enzyme and substrate form an enzyme-substrate (ES) complex.

6. A small organic molecule necessary for the function of some enzymes is  called a  coenzyme.

7 0
3 years ago
Prepare a project report on various samples of
san4es73 [151]
<h2>Project Reports</h2>

<h3>A) Mixture</h3>

This refers to the material that is made when different substances mix up physically and causes a reaction.

You can make on the project of Mixture -

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  • 2)Colloids
  • 3) Suspension
  • 4) Solution

<h3>B) Compound</h3>

This refers to the chemical bond that holds different atoms tightly

You can make on the project of Compound -

  • 1)Water
  • 2)Methane
  • 3)Carbon Dioxide
  • 4) Sulfuric Acid

<h3>C) Elements</h3>

Based on the fact that the atom is the smallest indivisible part of an element, elements like phosphorous cannot be further broken down.

You can make on the project of Elements -

  • 1) Mercury
  • 2) Iron
  • 3) Copper
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Read more about mixtures and compounds here:

brainly.com/question/491220

#SPJ1

8 0
1 year ago
Grace wanted to find out the best conditions for growing lettuce plants.
Mariana [72]

Explanation:

the investigation lasts for 7 days !

hope this helps you.

8 0
2 years ago
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