Answer:
The answer is
<h2>4.0 g/cm³</h2>
Explanation:
The density of a substance can be found by using the formula
<h3>
</h3>
From the question
mass of block = 36 g
volume = 9 cm³
The density is
We have the final answer as
4.0 g/cm³
Hope this helps you
Answer:
Given : No. Of moles = 1.5
To calculate : no. Of molecules =N
We know that moles = N / 6.022 x 10²³
Therefore, 1.5 x 6.022 x 10²³ = N
Hence N = 9.0330x 10²³ molecules
A medium can be anything that a wave can pass through e.g the medium can be solid objects, air, water, etc.
Answer: (1) Inhales (breathes in) Oxygen - good for the body - gives it to the Circulatory System to be transported throughout the body through the blood. (1) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go.
