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Rom4ik [11]
3 years ago
14

Sơ đồ tư duy hóa sinh protein

Chemistry
1 answer:
Lesechka [4]3 years ago
3 0
<h2>\huge\tt\red{ANSWER}</h2>

  • Nhờ quá trình tiêu hoá thức ăn, protein được phân giải thành nhiều loại acid amin riêng rẻ.

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To use the gas law constant R = 0.0821, the unit for temperature should be Kelvin and the unit for volume should be milliliters.
valkas [14]

Answer: The statement that unit for temperature should be Kelvin and the unit for volume should be milliliters is False.

Explanation:

According to the ideal gas equation:

PV=nRT

P = Pressure of the gas = 1 atm  (at STP)

V= Volume of the gas = 22.4 L   (at STP)

T= Temperature of the gas =  273 K   (at STP)    

R= Gas constant = ?

n=  moles of gas= 1 mol

R=\frac{PV}{nT}=\frac{1\times 22.4}{1\times 273}=0.0821Lam/Kmol

Thus the unit for temperature should be Kelvin and the unit for volume should be Liters.

3 0
3 years ago
Read 2 more answers
An ideal solution consisting of 79 wt% benzene (C6H6) and 21 wt% toluene (C7H8) was heated in a closed vessel to 50 ºC. What is
Thepotemich [5.8K]

In this case, according to the Raoult's law, we can find the mole fraction of 79 wt% benzene and 21 wt% toluene at 50 °C in the vapor phase as follows:

y_iP=x_iP_i

However, we first have to calculate the mole fractions in the solution as follows (b stands for benzene and t for toluene):

\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{(78.11*x_b+92.14*x_t)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene} \\\\x_b=0.79\frac{g\ benzene}{g\ solution} *\frac{78.11*x_b+92.14*(1-x_b)}{1mol\ solution} *\frac{1mol\ toluene}{78.11g\ toluene}\\\\x_b=0.79*(x_b+1.18*(1-x_b))\\\\x_b=0.79x_b+0.932-0.932x_b\\\\x_b=\frac{0.932}{1+0.932-0.79} =0.816\\\\x_t=1-x_b=1-0.816=0.184

Next, we calculate the total pressure as follows, according to the Dalton's law:

P=x_bP_b+x_tP_t=0.816*271mmHg+0.184*91.5mmHg=237.972mmHg

Finally, the mole fractions of the vapor phase turn out:

y_b=\frac{0.816*271mmHg}{237.972mmHg}=0.929\\\\y_t=1- 0.929=0.071

Learn more:

  • brainly.com/question/12718562
  • brainly.com/question/17581597

5 0
2 years ago
the elements fluorine,chlorine,bromine,and iodine are all found in the same group on the table. these elements are grouped toget
madreJ [45]

Answer:

Fluorine, chlorine, bromine and iodine are grouped together because they have the same number of valence electrons.

Explanation:

Fluorine, chlorine, bromine and iodine are all found in group 7, which is the second-last column from the right. Group 7 elements are also called the "Halogens" family.

The group number also tells you the number of valence electrons that the elements have in that group. Valence electrons mean the outermost electrons (See picture).

For example, fluorine has two shells (the circles with dots on them). The outermost electrons, or valence electrons, are the dots on the biggest circle. There are 7 dots, so there are 7 valence electrons, which corresponds with Group "7".

A full shell (except the for first shell) is when there are 8 dots. Since 7 is so close to 8, Halogens are very reactive.

Fluorine, chlorine, bromine and iodine all have 7 valence electrons and are in the Halogens family, which are very reactive.

8 0
3 years ago
Read 2 more answers
HELP PLEASEE
GarryVolchara [31]

Answer:

Let's start with the fact that cereals , are made of grains and are mostly carbohydrates. therefore they contain carbon oxygen and hydrogen. They also contain proteins so have nitrogen. Plants have the minerals that are in the soil where they grow, so the list you have is correct. They also generally have added vitamins ad minerals. The vitamins contain C, H, O N, and a few others such as sulfur, The added minerals might contain:copper, iron, zinc, cobalt, selenium, silicon and molybdenum .

Mark me as brainliest if it was helpful

4 0
3 years ago
Of the following metals, which is the LEAST reactive? <br> A. K<br> B. Ca<br> C. Na<br> D. Mg
emmainna [20.7K]
The Answer Should Be D.Mg
6 0
3 years ago
Read 2 more answers
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