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Ludmilka [50]
3 years ago
7

Which are characteristics of all living things?

Chemistry
1 answer:
daser333 [38]3 years ago
3 0

Order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.

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What is the area of the throat that contains the vocal cords and produces
aalyn [17]
C larynx hope this helps
7 0
3 years ago
Which elements are solid at room temperature
Kryger [21]

Answer:bromine , neon , helium , argon , lithium , beryllium

Explanation:

8 0
3 years ago
Consider the following unbalanced reaction: P4(s) + F2(g) → PF3(g) What mass of fluorine gas is needed to produce 120. g of PF3
Studentka2010 [4]

Answer:

44.28 grams.

Explanation:

Let us write the balanced reaction:

P_{4}+6F_{2}-->4PF_{3}

As per balanced equation, six moles of fluorine gas will give four moles of PF₃.

The mass of PF₃ required = 120 g

The molar mass of PF₃ = 88g/mol

Moles of PF₃ required =\frac{mass}{molarmass}=\frac{120}{88}=1.364mol

The moles of fluorine gas required = \frac{4X1.364}{6}=0.91

the mass of fluorine gas required = moles X molar mass = 0.91x38 = 34.58g

Now this much mass will be required if the reaction is of 100% yield

But as given that the yield of reaction is only 78.1%

The mass of fluorine required = \frac{massX100}{78.1} =\frac{34.58X100}{78.1} =44.28g

4 0
3 years ago
Balance the following chemical equation (with all steps)
WARRIOR [948]

Answer:

Balanced chemical equation:

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Explanation:

Chemical equation:

Al + H₂SO₄  →  Al₂(SO₄)₃ + H₂

Balanced chemical equation:

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Steps:

Let balance the SO₄ first.

Al + 3H₂SO₄  →  Al₂(SO₄)₃ + H₂

There are three H₂ on left so put the coefficient three on right too.

Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

Two Al  on right and one on left so we will put the coefficient two on left.

2Al + 3H₂SO₄  →  Al₂(SO₄)₃ + 3H₂

All atoms are correctly balanced.

3 0
2 years ago
What is the formula of the hydride formed by nitrogen?
Nina [5.8K]
NH3, usually it is called ammonium.
3 0
2 years ago
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