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melomori [17]
3 years ago
6

Name 5 metals used to make the penny over the years.

Chemistry
1 answer:
Irina18 [472]3 years ago
6 0
These 5 metals are: zinc,copper,tin,bronze,nickel
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Heredity is defined as
AnnyKZ [126]

Answer:

B.

the passage of genetic instructions from one generation to the next generation.

These are called genes. One mate reporduces with another made and the genetic buildup merges 50 % and 50% with genetics(if it's meiosis), or DNA codes from the parents to the offspring that then possess some of the genes. That shows heridity.

8 0
3 years ago
Which of the following statements about enzymes is true?. a. Enzymes are able to heat up molecules so that they can react.. b. E
taurus [48]
The answer is C as enzymes are biological catalysts that act on a substrate such as starch if the enzyme were amylase

hope that helps 
5 0
2 years ago
Read 2 more answers
15. The mass of a sample of iron is 114 g, and the density of iron is 7.86 g/cm3. What is the volume of this iron sample?
anyanavicka [17]

Answer:

The answer is

<h2>14.50 cm³</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of iron = 114 g

density = 7.86 g/cm³

The volume is

volume =  \frac{114}{7.86}  \\  = 14.50381679

We have the final answer as

<h3>14.50 cm³</h3>

Hope this helps you

5 0
3 years ago
Write the correct name of the Fe(CIO3)3​
pychu [463]

Answer:

Iron(III) Chlorate Fe(ClO3)3 Molecular Weight

Explanation:

3 0
2 years ago
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write down the name and molecular formula of the compound which gives hydrogen ion and chloride ion in the solution state. ​
podryga [215]

Answer:

Hydochloric acid

HCl

Explanation:

The name of the compound that gives hydrogen ion and chloride ions in the solution state is Hydrochloric acid.

Hydrochloric acid is made up of one atom of hydrogen and 1 atom of chlorine. We can also say, it is made up of 1 mole of hydrogen and 1 mole of chlorine.

 The formula of this compound is HCl;

 In solution:

               HCl_{aq}    →   H⁺    +    Cl⁻  

8 0
2 years ago
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