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Rudiy27
1 year ago
10

Mr. Smith is hyperglycemic with a blood glucose level of 300mg/ml of blood. Explain how homeostasis would regulate his glucose l

evels through a negative feedback system.
Chemistry
1 answer:
aleksley [76]1 year ago
6 0

Answer:

When the animal has eaten food and the blood glucose level in the body increases. The pancreas cells in the body detects the increase in the blood glucose which leads to increase the insulin hormone.

This decreases the blood glucose level in the level. This is how the negative feedback works in the body if the level of glucose increases.

Negative feedback is the way by which the body maintains homeostasis and maintains equilibrium in the body.

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Janine is trying to separate some ethanol from water. Which method should she use does anyone know this
GuDViN [60]

To separate some ethanol from water, Jane needs to use the method of simple distillation.

Simple distillation is a separation method in which two liquids can be separated from each other based on differences in boiling point.

Since water has a higher boiling point than ethanol, ethanol is collected first as the distillation proceeds.

Learn more:  brainly.com/question/2193327

5 0
1 year ago
When you mixed 20 grams of magnesium and an excess of nitric acid, 1.7 grams of hydrogen was actually produced. What is the perc
Kitty [74]
Based on the balanced chemical reaction presented above, every mole of magnesium (Mg) yields one mole of diatomic hydrogen (H2). When converted to masses, every 24.3 grams of magnesium yields 2 grams of hydrogen. 

From the given, there are 20 grams of magnesium available for the reaction. With this amount, the expected yield of hydrogen is 1.646 grams. To calculate the percent yield, divide the actual yield to the hypothetical yield.

*The case is impossible because the actual yield is greater than the theoretical yield.

If we assume that there had been a typographical error and that the actual yield is 0.7 grams instead of 1.7 grams, the percent yield becomes 42.5%. Thus, the answer is letter E. 
6 0
2 years ago
Read 2 more answers
how many moles of cesium carbonate will be produced when 5.34 moles of cesium reacts with iron iii carbonate
irga5000 [103]

Answer: 2.7moles

Explanation:

6Cs + Fe2(CO3)3 —> 3Cs2CO3 + 2Fe

From the equation,

6moles of Cs produced 3 moles of Cs2CO3.

Therefore, 5.34 moles of Cs will produce = (5.4x3)/6 = 2.7moles of Cs2CO3

6 0
2 years ago
BRAINLIESTTT ASAP!!!
Stels [109]

While I am not the brainliest I can certainly answer.  

This was a chemical change because the chemical components were changed, a big giveaway to this was the fizzing, however the temperature rising was also another giveaway.

8 0
2 years ago
Read 2 more answers
Automobiles are often implicated as contributors to global warming because they are a source of the greenhouse gas CO2. How many
kondor19780726 [428]

Answer:

5,747.82 pounds of CO_2 would your car release in a year if it was driven 170 miles per week.

Explanation:

Mileage of the car = 27.5 miles/gal

Distance driven by car in week = 170 miles

Distance driven by car in a day= \frac{170 miles}{7}=24.286 mile

Volume of gasoline used in a day : V

\frac{24.286 mile}{27.5 miles/gal}=0.8831 gal=0.8831\times 3785.41 cm^3=3,342.96 cm^3

1 gal = 3785.41 mL = 3785.41 cm^3

Density of the gasoline = d= 0.692 g/cm^3

Mass of the gasoline used in a day = m

m=d\times V=0.692 g/cm^3\times 3,342.96 cm^3=2,313.33 g

2C_8H_{18}+25O_2\rightarrow 16CO_2+18H_2O

Moles of gasoline ( isooctane):

=\frac{2,313.33 g}{114 g/mol}=20.292 mol

According to reaction , 2 moles of isooctane gives 16 moles of carbon dioxide gas.Then 20.292 mole isooctane will give :

\frac{16}{2}\times 20.292 mol=162.340 mol of carbon dioxide gas

Mass of 162.340 moles of carbon dioxide gas :

162.340 mol × 44 g/mol = 7,142.91 g

Mass of carbon dioxide gas produced in a day =  7,142.91 g

1 year = 365 days

Mass of carbon dioxide gas produced in a 365 days:

= 365 × 7,142.91 g = 2,607,163.494 g

1 pound = 453.592 g

2,607,163.494 g=\frac{ 2,607,163.494}{453.592} pounds=5,747.82 pounds

5,747.82 pounds of CO_2 would your car release in a year if it was driven 170 miles per week.

7 0
1 year ago
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