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romanna [79]
2 years ago
14

Please help me I've been crying for hours trying to figure this out. I don't have any materials to even complete this lab!!! If

someone can give me a Lab analysis with the conclusions answers, I will be so thankful.
Chemistry
1 answer:
Brums [2.3K]2 years ago
8 0
Hi buddy! Sadly the picture isnt loading mind resendig it?
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using the chemical stoichiometry, determine the number of moles of carbonic acid that can be produced from 4 mol of NaHCO3 and 8
Pavlova-9 [17]
Reaction is NaHCO3 + HCL = H2CO3 + NaCl
the ratios are 1:1 

the 8 moles of HCl are in excess

so if you use 4 moles of NaHCO3 then you will obtain 4 moles of carbonic acid

hope that helps
6 0
3 years ago
Read 2 more answers
Use the Periodic Table to determine the shape of the molecule represented by the following formulas.
neonofarm [45]

Answer:

the answer is tetahedal and the next one is trigonal pyramidal

Explanation:

3 0
2 years ago
Which scenario supports the ""one gene–one enzyme"" hypothesis of metabolic disease causation?
damaskus [11]

The scenario that supports the "one gene-one enzyme" hypothesis of metabolic disease causation is Phenylketonuria (PKU). This disease (PKU) is caused by the failure to produce a functional variant of an enzyme.

Phenylketonuria (PKU) is a metabolic inherited disorder associated with a decreased metabolism of the amino acid phenylalanine.

PKU is caused by a mutation in the gene responsible for encoding a key enzyme needed to break down phenylalanine.

Untreated PKU may lead to diverse health problems which include brain damage, intellectual disability, seizures, mental disorders, etc.

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brainly.com/question/7157066?referrer=searchResults

4 0
2 years ago
How many moles of PCl5 can be produced from 22.0 g of P4 (and excess Cl2)?
scoundrel [369]
The balanced chemical reaction is written as:

P4 + 10Cl2 = 4PCl5

To determine the moles of PCl5 produced, we use the initial amount of the limiting reactant which is P4 and the relation from the reaction. We do as follows:

22.0 g P4 ( 1 mol / 123.90 g ) ( 4 mol PCl5 / 1 mol P4 ) = 0.7103 mol PCl5 produced
8 0
3 years ago
Polonium has a mass number of 212 and an atomic number of 84. In a balanced nuclear reaction, polonium releases an alpha particl
antoniya [11.8K]

Answer:

D. 82

Explanation:

3 0
2 years ago
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