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Alik [6]
3 years ago
5

This list of characteristics describes organisms in the ________ kingdom.

Chemistry
1 answer:
posledela3 years ago
7 0
<h3><u>Full question:</u></h3>

This list of characteristics describes organisms in the ________ kingdom. A) animal B) fungal C) plant D) protist

<h3><u>Answer:</u></h3>

This list of characteristics describes organisms in the animal kingdom.

<h3><u>Explanation:</u></h3>

An animal kingdom is a primary assortment of actual things that encompasses all alive and extinct creatures. A classification of living organisms covering every animal. The precise designation of this kingdom is Animalia. The kingdom Animalia comprises all animals. Most utmost animals receive nourishment by ingesting different animals or decomposing natural material.

Biologists identify about 36 separate species inside the Kingdom of Animalia. All segments of Animalia are multicellular, and all are heterotrophs. Most ingest food and assimilate it in an enclosed cavity.

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Written in this form, carbon-13, what does the 13 represent and what is the atomic number?
tigry1 [53]
Explanation:
Carbon has 3 isotopes. Carbon-12, Carbon-13, and Carbon-14
All of them have an atomic number of 6, which means all of them have 6 protons (if they had different numbers of protons, they'd be different elements).
Since they all have 6 protons, in their elemental forms, they all have 6 electrons, too.
Carbon-12:
Atomic number: 6
Mass number: 12
protons: 6
electrons: 6
neutrons: 6
Carbon-13:
Atomic number: 6
Mass number: 13
protons: 6
electrons: 6
neutrons: 7
Carbon-14:
Atomic number: 6
Mass number: 14
protons: 6
electrons: 6
neutrons: 8
8 0
3 years ago
This lab question is: How can you distinguish a physical change from a chemical change?
geniusboy [140]

Answer:b,and c

Explanation:

4 0
3 years ago
SOMEONE PLEASE HELP
Zinaida [17]

Answer:

6. 7870 kg/m³ (3 s.f.)

7. 33.4 g (3 s.f.)

8. 12600 kg/m³ (3 s.f.)

Explanation:

6. The SI unit for density is kg/m³. Thus convert the mass to Kg and volume to m³ first.

1 kg= 1000g

1m³= 1 ×10⁶ cm³

Mass of iron bar

= 64.2g

= 64.2 ÷1000 kg

= 0.0642 kg

Volume of iron bar

= 8.16 cm³

= 8.16 ÷ 10⁶

= 8.16 \times 10^{ - 6} \:  kg

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

Density of iron bar

=  \frac{0.0642}{8.16 \times 10^{ - 6} }

= 7870 kg/m³ (3 s.f.)

7.

\boxed{mass = density \:  \times volume}

Mass

= 1.16 ×28.8

= 33.408 g

= 33.4 g (3 s.f.)

8. Volume of brick

= 12 cm³

= 12  \times  10^{ - 6}  \: m^{3}  \\  = 1.2 \times 10^{ - 5}  \: m ^{3}

Mass of brick

= 151 g

= 151 ÷ 1000 kg

= 0.151 kg

Density of brick

= mass ÷ volume

=  \frac{0.151} {1.25 \times 10^{ - 5} }  \\  = 12600 \: kg/ {m}^{3}

(3 s.f.)

6 0
3 years ago
A chemist dissolved crystals of an unknown substance into water at room temperature. He found that 33 g of the substance can be
Inga [223]
The answer is: It's solubility
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Is mayonnaise an element compound solution or colloids
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The answer to your question is mayonnaise is colloids.
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