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Neporo4naja [7]
2 years ago
12

The role of teeth in the digestive system?

Chemistry
2 answers:
GREYUIT [131]2 years ago
5 0
We use our teeth to chew our food and prepare food to travel through the rest of digestive system
USPshnik [31]2 years ago
4 0
Help saliva and makes food soft and easy to swallow
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What is the density of a sample of the alloy pewter, (a mixture of tin and copper or lead) if a 7.11 cm3 sample has a mass of 53
xxTIMURxx [149]

Answer:

<h3>The answer is 7.47 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 53.137 g

volume = 7.11 cm³

We have

density =  \frac{53.137}{7.11}  \\  = 7.473558368...

We have the final answer as

<h3>7.47 g/cm³</h3>

Hope this helps you

5 0
3 years ago
When a substance is in the liquid state, how are the particles of that substance<br> behaving
iVinArrow [24]

Answer:

In liquids, particles are quite close together and move with random motion throughout the container. Particles move rapidly in all directions but collide with each other more frequently than in gases due to shorter distances between particles. With an increase in temperature, the particles move faster as they gain kinetic energy, resulting in increased collision rates and an increased rate of diffusion.

Explanation:

In liquids, particles are quite close together and move with random motion throughout the container. Particles move rapidly in all directions but collide with each other more frequently than in gases due to shorter distances between particles. With an increase in temperature, the particles move faster as they gain kinetic energy, resulting in increased collision rates and an increased rate of diffusion.

4 0
3 years ago
Read 2 more answers
Which of the following is the correctly balanced chemical equation for the reaction of Ca(OH)2 and HNO3?
sattari [20]

Explanation:

The reaction between calcium hydroxide and nitric acid is as follows.

  Ca(OH)_{2} + HNO_{3} \rightarrow Ca(NO_{3})_{2} + H_{2}O

Number of reactant atoms are as follows.

  • Ca = 1
  • O = 4
  • H = 3
  • N = 1

Number of product atoms are as follows.

  • Ca = 1
  • O = 4
  • H = 2
  • N = 3

To balance the given chemical equation, multiply HNO_{3} by 2 on reactant side and multiply H_{2}O by 2 on the product side.

Therefore, the balanced chemical equation will be as follows.

    Ca(OH)_{2} + 2HNO_{3} \rightarrow Ca(NO_{3})_{2} + 2H_{2}O

4 0
3 years ago
Which is an issue that governments must consider before passing conservation policies?
wariber [46]

Answer:

b. cost to implement conservation policies

Explanation:

4 0
2 years ago
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Write the formula for chromium III acetate
Tamiku [17]

Answer:

C6H9CrO6

Explanation:

6 0
3 years ago
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