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Degger [83]
3 years ago
7

What elements of the periodic table make up the transmission on a car

Chemistry
2 answers:
iren [92.7K]3 years ago
6 0
Aluminium. Aluminium is used extensively in the modern automobile. ...
Bismuth. The pearl pigment of bismuth oxychloride was used in automobile paint for a short time, between 1998 and 2000. ...
Calcium. Calcium carbide is an important mineral in the production of steel.
Carbon. ...
Chlorine. ...
Gold. ...
Helium. ...
Magnesium.
shusha [124]3 years ago
3 0

Answer:

Are you asking for all of them? Some of the basic ones are alluminum and carbon.

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Can someone help please? :)
Leno4ka [110]

1) This is a definition.

2) Protons are given by the bottom number (since atomic number = number of protons).

3) Neutrons = (mass number)-(atomic number), which are the top and bottom numbers, respectively.

4) Nuclear fusion involves combining two things together, which is only reflected by the last option.

5) This is a fact.

6) This is a fact.

7) This is a fact.

8) This is a fact.

9) The correct option is the explanation.

7 0
2 years ago
Federico is lifting weights at the gym. As he starts exercising, his body responds by changing his heart rate and his respirator
soldi70 [24.7K]

During exercise , his body responds by an increase in the heart rate and his

respiratory rate.

<h3>What is Exercise?</h3>

Exercise refers to the activities which are done to improve the physical

fitness of an individual. Examples include:

  • Weight lifting
  • Running
  • Slipping etc.

The heart and respiratory rate are increased to ensure enough oxygen is

available to the cells of the body. This helps to ensure carbohydrate is

broken down to energy which is used by the body cells during the exercise

being performed.

Read more about Exercise here brainly.com/question/1365564

7 0
2 years ago
How are acids and bases similar and different
const2013 [10]

Answer & Explanation:

<u>Similarities:</u>

  • Both acids and bases are electrolytes which means that they're good conductors of electricity.
  • Acids and bases both produce ions in water solution.

<u>Difference:</u>

  • Acids release hydrogen ions (H⁺) whereas, bases release hydroxide ions (OH⁻).
6 0
4 years ago
An 8.89 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If 27.1 mL of 0.581 M potassium h
worty [1.4K]

Answer:

The percent by mass of nitric acid in the mixture is 11.1 %

Explanation:

Step 1: Data given

Mass of HNO3 = 8.89 grams

Volume of KOH = 27.1 mL = 0. 0271 L

Molarity of KOH = 0.581 M

Step 2: The balanced equation

HNO 3  +  KOH  →  KNO 3  +  H 2 O

Step 3: Calculate the moles of KOH

Moles of KOH = molarity KOH * volume

Moles KOH = 0.581 M * 0.0271 L

Moles KOH = 0.0157 moles

Step 4: Calculate moles of HNO3

For 1 mol of KOH we need 1 mol of HNO3

For 0.0157 moles of KOH we need 0.0157 moles of HNO3

Step 5: Calculate mass of HNO3

Mass KOH = moles KOH * molar mass KOH

Mass KOH = 0.0157 moles * 63.01 g/mol

Mass KOH = 0.989 grams

Step 6: Calculate mass % HNO3 in sample

mass % = (0.989 grams / 8.89 grams)*100%

mass % = 11.1 %

The percent by mass of nitric acid in the mixture is 11.1 %

3 0
4 years ago
A particular forest is 10,000 acres. Determine its size in hectares. (1 hectare = 2.47
igor_vitrenko [27]

Taking into account the change of units, a particular forest is 4,048.58 hectares.

<h3>Definition of rule of three</h3>

The rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, the direct rule of three must be applied using the following formula, where a, b and c known data and x the variable to be calculated:

a ⇒ b

c ⇒ x

So: x= (c×b)÷ a

The direct rule of three is the rule applied in this case where there is a change of units.

<h3>Size in hectareas</h3>

To perform in this case the conversion of units, you must first know that 1 hectare = 2.47 acres.

So, the rule of three can be used as follow: if 2.47 acres is 1 hectare, 10,000 acres equals how many hectares?

2.47 acres ⇒ 1 hectare

10,000 acres ⇒ x

So: x= (10,000 acres ×1 hectare)÷ 2.47 acres

Solving:

<u><em>x= 4,048.58 hetares</em></u>

In summary, a particular forest is 4,048.58 hectares.

Learn more with this example:

brainly.com/question/12482948

#SPJ1

8 0
2 years ago
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