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ioda
3 years ago
15

Enter the chemical formula for water. formula:

Chemistry
2 answers:
Gennadij [26K]3 years ago
8 0
H2O ....................
sukhopar [10]3 years ago
5 0

Answer:

H2O

Explanation:

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Determine whether each description represents a genotype or a phenotype.
ANEK [815]

Answer:

phenotype,phenotype,genotype,genotype,

genotype

Explanation:

phenotype is physical appearance and genotype is just like

yy Tt

8 0
3 years ago
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A certain indicator has a color chart that shows that when the indicator is yellow, the solution is acidic. What is true about a
bija089 [108]
It’s acidic?
It tastes sour
It has at least one hydrogen molecule
4 0
3 years ago
Consider the formula al2(so4)3. how many atoms of aluminum are present?
Shkiper50 [21]
2 atoms of aluminium
3 0
3 years ago
The following reaction shows sodium carbonate reacting with calcium hydroxide.
velikii [3]

Ans: 15.1 grams

Given reaction:

Na2CO3 + Ca(OH)2 → 2NaOH + CaCO3

Mass of Na2CO3 = 20.0 g

Molar mass of Na2CO3 = 105.985 g/mol

# moles of Na2CO3 = 20/105.985 = 0.1887 moles

Based on the reaction stoichiometry: 1 mole of Na2CO3 produces 2 moles of NaOH

# moles of NaOH produced = 0.1887*2 = 0.3774 moles

Molar mass of NaOH = 22.989 + 15.999 + 1.008 = 39.996 g/mol

Mass of NaOH produced = 0.3774*39.996 = 15.09 grams


5 0
2 years ago
Copper produces a green flame test. When is the green light emitted?​
belka [17]

Answer: When you burned the skewer tip coated with copper sulfate the green light is emitted

Explanation:

when the copper is burned it makes a green light

8 0
3 years ago
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