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3 years ago

What do scientists who study the human microbiome hope to achieve?

Chemistry

2 answers:

matrenka [14]3 years ago

4 0

Answer:

Explanation:

Researchers hope to gain knowledge about how the microbiome contributes to health and disease states.

Lostsunrise [7]3 years ago

4 0

Help to gain knowledge about how the microbiome contributes to health and disease states

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If 10.0 grams of NaHCO3 is added to 10.0 g of HCl, determine the efficiency of baking soda as an antacid if 6.73 g of NaCl was p

Lapatulllka [165]

Answer:

percentage yield of NaCl = 96.64%

Explanation:

The reaction was between NaHCO3 and HCl .The chemical equation can be represented below:

NaHCO3 + HCl → NaCl + H2O + CO2 . The balance equation is

NaHCO3 + HCl → NaCl + H2O + CO2

The question ask us to calculate the percentage yield of NaCl.

The efficiency of NaHCO3 as an antacid , the limiting reactant is NaHCO3

1 mole of NaHCO3 produces 1 mole of NaCl

Therefore,

molar mass of NaHCO3 = 23 +1 + 12 + 48 = 84 g

molar mass of NaCl = 23 + 35.5 = 58.5 g

1 mole of NaHCO3 = 84 g

1 mole of NaCl = 58.5 g

since 84 g of NaHCO3 produces 58.5 g of NaCl

10 g of NaHCO3 will produce ? grams of NaCl

cross multiply

Theoretical yield of NaCl = (10 × 58.5)/84

Theoretical yield of NaCl = 585/84

Theoretical yield of NaCl = 6.9642857143 g

percentage yield of NaCl = actual yield/theoretical yield × 100

percentage yield of NaCl = 6.73/6.9642857143 × 100

percentage yield of NaCl = 673/6.9642857143

percentage yield of NaCl = 96.635897436%

percentage yield of NaCl = 96.64%

3 0

3 years ago

Read 2 more answers

What are the implications for the reader in the line, "For every atom belonging to me as good belongs to you"?

Serggg [28]

The implications are for this reader in this line is that the atom is belonging to some kind of system and it is good belonging to that system.

Hope this helps. :)

- Shelly O

6 0

3 years ago

A student was comparing the solubility of equal amounts of table salt and table sugar at different temperatures.The table below

Mama L [17]

The sample that has the highest solubility is THE FIRST SAMPLE [TABLE SUGAR NO 1].
Solubility refers to the quantity of a solute that will dissolve in a given volume of solvent at a given temperature and pressure. The question above tells us that equal amounts of sugar and table salts were used. But looking at the table given in the question, you will see that sample 1 has the highest amount of solute that dissolve, that is 80, the rest of the samples have values that are lower than that.

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3 years ago

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If you are administering an insulin dose of 90.0 mg from a bottle at a concentration of 10.0 mg/mL,

Fiesta28 [93]

Answer:

9 mL.

Explanation:

Dosage of insulin is 90 mg

The concentration of insulin is 10 mg/mL

We need to find how many milliliters of the solution do you need to give the patient. It can be calculated as follows :

$x=\dfrac{90\ \text{mg}}{10\dfrac{\text{mg}}{\text{mL}}}\\\\x=\dfrac{9}{1}\ \text{mL}$

So, 9 mL of the solution is to be given to the patient.

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3 years ago

Based off of the simulation pulley gizmo; how many people did it take to lift the armchair with a fixed pulley? (Look at Activit

DedPeter [7]

Answer:

IN WHICH GRADE YOU ARE????

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3 years ago