3 years ago

Drag each item to show if it is matter or not matter.

Chemistry

1 answer:

zheka24 [161]3 years ago

3 0

Only physical things have matter

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4) The Maunder Minimum would include which of the following years? A. 1855 - 1900 B. 1910 - 1930 C. 1979 - 1987 D. 1670 - 1700 S

ivolga24 [154]

The answer is B
have a nice day.....

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3 years ago

A sample containing 16.93 metal pellets is poured into a graduated cylinder containing 11.2 of water, causing the water level in

mixer [17]

Answer:

<h3>The answer is 1.99 g/mL</h3>

Explanation:

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

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

From the question

mass = 16.93 g

volume = final volume of water - initial volume of water

volume = 19.7 - 11.2 = 8.5 mL

We have

$density = \frac{16.93}{8.5} \\ = 1.9917647058...$

We have the final answer as

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3 years ago

What are two things plants have which animal cells do not

lyudmila [28]

Answer:

Animal cells don't have a dividing cell wall like plant cells do

Explanation:

Plants cells use photosynthesis from the sun, which requires them to have chloroplast filled with chlorophyll to complete this function; animal cells do not have chloroplasts

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3 years ago

Read 2 more answers

Which block contains 5 orbitals?

exis [7]

D sublevel because the s sublevel has one orbital, the p sublevel has three orbitals, the d sublevel has five orbitals, and the f sublevel has seven orbitals. In the first period, only the 1s sublevel is being filled.

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3 years ago

The characteristic functional groups of a protein are _____.

V125BC [204]

Answer:

$\boxed{\text{amide groups}}$

Explanation:

A protein is a long chain of amino acids linked together by amide groups.

The general structure is

$\rm \left[-NHCHR-\underbrace{\hbox{CO-NH}}_{\hbox{amide group}}-CHRCO-\right]_{n}$

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3 years ago