3 years ago

This refers to the most powerful means of communicating confidence and conviction A.Posture B.eye contact C.body movement

Chemistry

1 answer:

skad [1K]3 years ago

3 0

Answer:

Explanation:

the way you move explains how confident you are

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mojhsa [17]

Answer:

beryllium chloride

Explanation:

Therefore a compound made from beryllium and chlorine will be named beryllium chloride.

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2 years ago

Are fossils likely to form in areas that experience a lot of erosion on daily basis?

frosja888 [35]

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3 years ago

Suppose you have 15.0 ml of zinc. What volume of aluminum would have the same mass as the zinc?

Black_prince [1.1K]

Answer:

$\large \boxed{\text{41.2 cm}^{3}}$

Explanation:

1. Mass of zinc

The density of zinc is 7.14 g/cm³

D = m/V

$\begin{array}{rcl}7.14 & = & \dfrac{m}{15.0}\\\\m & = & 7.14 \times 15.0\\& = & \text{107.1 g}\\\end{array}\\$

2. Volume of aluminium

The density of aluminium is 2.60/cm³.

$\begin{array}{rcl}2.60 & = & \dfrac{107.1}{V}\\\\2.60V & = & 107.1\\V& = &\dfrac{107.1}{2.60}\\\\& = &\textbf{41.2cm}^{\mathbf{3}}\\\end{array}\\\large \boxed{\textbf{41.2 cm}^{\mathbf{3}}}\text{ of aluminium have the same mass as 15.0 cm$^{3}$ of zinc.}$

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3 years ago

What is a substance made of 2 or more elements called

Wittaler [7]

It’s called a compound

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3 years ago

Read 2 more answers