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Nadusha1986 [10]
2 years ago
12

What do chemical formulas of acids have in common?

Chemistry
1 answer:
larisa [96]2 years ago
3 0
They have OH and water
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Which of the following is a metal? *<br><br> sulfur<br> nitrogen<br> silicon<br> francium
aliina [53]

Answer:

francium

Explanation:

sulfur is nonmetallic so is nitrogen and silicon

7 0
2 years ago
The number of mole of a molecule is defined as its mass per molar mass. Using # mol = n, mass = m and molar mass = M and given t
Citrus2011 [14]
Given:
n = 0.0021 mol
M = 44 gram/mol

Required: m or the mass of the molecule

Solution:

M = m/n

Rearranging the expression,

m = M x n
m = 44 g/mol x 0.0021 mol

Evaluating the expression and cancelling units, we obtain,

m = 0.0924 grams

M is the molar mass. This value is very useful in chemistry calculations especially in calculating the amounts of reactants and products for a chemical reaction.
5 0
3 years ago
state the conditions under which copper reacts with sulphuric (vi) acid and give an equation for the reaction​
uranmaximum [27]

Answer:

When the metal reacts with hot, concentrated sulphuric acid, the products of the reaction are copper (II) sulphate, sulphur dioxide and water. Cu + 2H2SO4 = CuSO4 + SO2 + 2H2O. This is a typical redox reaction in which the acid is reduced to SO2, but no hydrogen is produced here

3 0
2 years ago
Please help. It's for chemistry
irinina [24]
What do i help with what
3 0
2 years ago
2CO(g)+O2 (g) =2CO2(g)
Ronch [10]

Answer:

6.76 moles.

Explanation:

2CO(g)+O2 (g) =2CO2(g)

When 2 CO mols were reacted with excess O2 then 2 mols of CO2 is created.

Therefore if 6.76 moles reacted, same number of CO2 will be created.

4 0
3 years ago
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