3 years ago

When you hear the word decahydrate, what number should be written in front of the formula for water?

1 answer:

4 0

10, deca means ten a decagon is a ten side polygon, a decimetre is one tenth of a metre a decade is ten years so your answer is ten.

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How many moles of sulfur trioxide are formed from 3 moles of oxygen using the given

fiasKO [112]

Answer:

6 moles of SO₃ formed.

Explanation:

Given data:

Number of moles of SO₃ formed = ?

Number of moles of oxygen react = 3 mol

Solution:

Chemical equation;

2SO₂+ O₂ → 2SO₃

now we will compare the moles of oxygen and sulfur trioxide.

O₂ : SO₃

1 : 2

3 : 2/1×3 = 6 moles

Thus, six moles of SO₃ will formed.

8 0

2 years ago

Relative to the mass of the nucleous of a atom. the mass of electron is

Paladinen [302]

The number of protons found in the nucleus equals the number of electrons that surround it, giving the atom a neutral charge (neutrons have zero charge). Most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen.Hoped this helped

5 0

3 years ago

If 85.0 L of helium at 29.0°C is compressed to 32.0 L at constant pressure, what is the new temperature?

Feliz [49]

Answer:

113.69°k

Explanation:

V1=85L of helium V2=32L

T1= 29°C +273= 302°K T2=?

T2=TIV2

T2=(302)(32)= 9664

85 85

T2= 113.69°K

3 0

3 years ago

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JulsSmile [24]

11, ions
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6 0

3 years ago

A pebble is dropped into a cup of water and sinks to the bottom ofthe cup. A solid metal bead of exactly the same size is droppe

jonny [76]

Answer:

A solid metal bead of the same size is dropped into the same cup and sinks to the bottom of the cup. How do the pebble and the metal bead compare? They both have the same mass. They are both denser than water.

Explanation:

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3 0

2 years ago

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