Appropriate benefit of dietary fiber intake to its associated disease.- c. Decreases intestinal transit time and exposure to potential toxins
Cardiovascular diseases (CVDs) are the most common cause of death worldwide, claiming the lives of an estimated 17.9 million persons each year. CVDs are a group of heart and blood disorders that include coronary artery disease, vascular disease, rheumatic fever, and others. Coronary heart disease could be cured, but treatment can help manage the symptoms and lower the risk of conditions such as heart attacks. Treatment may include changes in lifestyle, such as physical activity and quitting smoking. The most common symptom of heart disease is heart disease (CHD), which kills approximately 382,820 people every year. Every year, approximately 805,000 Americans suffer a heart attack.
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PLEASEEEEE ANSWERRR??
What causes the difference in density of matter?
Answer:
because it has more space
Explanation:
density have many pressure
3. An unknown solution has a pH of 10. Based on the pH scale, the solution can be described as
Explanation:
For example, pH 10 is ten times more alkaline than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Pure water is neutral. But when chemicals are mixed with water, the mixture can become either acidic or basic.
you have a square with a Perimeter of 16 in,, what is the Area of the square after scaling it by 5?
inches
Answer:
f the figure is a square with a perimeter of 16 inches, then each side of the square is 4 inchest in length. Area is found by multiplying the length x the width. For a square, the length and width are the same. A = 16 sq
Explanation:
How many grams are in 5 mols of KOH
Answer:
0.08911760029829444
Explanation:
hop that this what you wanted
Earth is currently 150 million km away from the Sun. If Earth was 200 million km away from the Sun, why would it no longer be able to support life?
Answer:
The temperature would be too cold
Explanation:
Can you Help me please...
Answer:
590J or 590.4J :)
Explanation:
2.46 x 6 (35-29= 6) x 40 = 590.4J
Nearest whole number : 590J
Objects A and B are brought close to each other. Object A will soon become positively charged. Identify the charge that much transfer for this situation to occur.
Answer:
a
Explanation:
The atomic number of a made up element is 413. What else would you know about the element with this information?
1. What are the differences between lonic and covalent bonds?
Answer: Ionic bonds result from transfer of electrons, whereas covalent bonds are formed by sharing. ... Ionic bonds are electrostatic in nature, resulting from that attraction of positive and negative ions that result from the electron transfer process; charge separation between covalently bonded atoms is less extreme.
Explanation:
please help on this question it’s the only one i can’t do !!
Answer:
70%of 2000 = 1400
2000 tonnes of hematite contains 1400 tonnes iron oxide .
1400 tonnes of fe2O3
fe2O3 have molar mass 159.69
calculate moles = given mass/molar mass
moles = 1400000000/159.69
moles = 8766986
one mole contains = 112 g of fe
so 8766986 moles will contain = 112×8766986
= 981,902,432 grams of ferrous
which is nothing but equal to 981.90 tonnes of iron!!
Convert 3.00 * 10 ^ 26 molecules of carbon dioxide gas at STP to L.
1.What is the coefficient of the scientific notation answer? 2.What is the exponent of the scientific notation answer? 3.How many significant figures are there in the answer ?
4.What is the right most significant figure in the answer?
Answer: 1. The coefficient is 1.12
2. The exponent is 4
3. There are 3 significant digits
4. The rightmost significant figure is 2.
Explanation:
Scientific notation is defined as the representation of expressing the numbers that are too big or too small and are represented in the decimal form with one digit before the decimal point times 10 raise to the power.
For example : 5000 is written as [tex]5.0\times 10^3[/tex]
According to avogadro's law, 1 mole of every gas contains avogadro's number [tex]6.023\times 10^{23}[/tex] of particles and occupy 22.4 L at STP.
[tex]6.023\times 10^{23}[/tex] molecules of [tex]CO_2[/tex] occupy = 22.4 L at STP.
Thus [tex]3.00\times 10^{26}[/tex] molecules of [tex]CO_2[/tex] occupy = [tex]\frac{22.4}{6.023\times 10^{23}}\times 3.00\times 10^{26}=11.2\times 10^3 L[/tex] at STP.
Scientific notation = [tex]1.12\times 10^4L[/tex]
The coefficient is 1.12
The exponent is 4
There are 3 significant digits
The rightmost significant figure is 2.
See if you can think of a way to prove that it is the oxygen in air, not nitrogen, that causes rusting.
Answer:
rusting occur in oxygen and water coz when you put a nail into the water and you leave it three days you will the nail become brownish and that is due to oxygen and water
26. What are two water cycle processes not represented by arrows in this cross section?
1) transpiration and condensation 3) precipitation and freezing
2) evaporation and melting
4) runoff and infiltration
Answer:
4)
Explanation:
PLEASE Answer asap! Compare two periodic families below. You must include at least two facts about each family. You may use any description of properties or periodic trends to help you.
Answer:
The alkali metals/group 1 are recognized as a group and family of elements. These elements are metals. Sodium and potassium are examples of elements in this family. Hydrogen is not considered an alkali metal because the gas does not exhibit the typical properties of the group. The largest family of elements consists of transition metals/group 3-12/group 3a. The center of the periodic table contains the transition metals, plus the two rows below the body of the table (lanthanides and actinides) are special transition metals. Even though both are metals, transition metals have higher melting points; they have higher density; they are less reactive with water; they react and form ions with different charges, but Group 1 metals only form 1+ ions. (Hope the is helpful! You can reword it if you want...)(same answer from the other same question you posted)
7. Which word BEST describes symbiosis?
O A. ecosystem
O B. relationship
O C. living
OD. environment
Answer:
d.
Explanation:
po ata d ako sure sorry
A gas at a temperature of 300 K occupies a 5 L flexible container at a pressure of 150 kPa. What volume will it occupy at STP?
6.73 L
This one requires the combined gas law.
P1V1/T1 = P2V2/T2
P1 = 150 kPa = 1.48 atm
V1 = 5 L
T1 = 300 K
P2 = 1 atm
V2 = This is what we’re solving for.
T2 = 273 K
P2 and T2 are based on the conditions of STP. I also changed P1 to atm to keep the units consistent.
Solve the equation for V2:
V2 = P1V1T2 / T1P2
V2 = (1.48 atm)(5 L)(273 K) / (300 K)(1 atm) = 6.73 L
the volume of 5.00 M KBr needed to have 1.00 mol KBr mL
Answer: molarity = mole solute/ liter of solution.
=> volume= mole/molarity = 1/5 = 0.2 L = 200mL
Explanation:
Convert 16.8 L of nitrogen monoxide gas at STP to grams .
1.What is the coefficient of the scientific notation answer ?
2.What is the exponent of the scientific notation answer ? 3.How many significant figures are there in the answer?
4.What is the right most significant figure in the answer ?
Convert 12.5 grams of fluorine gas at STP to L.
1.What is the coefficient of the scientific notation answer? 2.What is the exponent of the scientific notation answer? 3.How many significant figures are there in the answer ?
4.What is the right most significant figure in the answer?
Answer:
See explanation
Explanation:
1 mole of a gas occupies 22.4 L
x moles occupies 16.8 L
x = 1 mole * 16.8 L/22.4 L
x = 0.75 moles
number of moles = mass/molar mass
mass = number of moles * molar mass
mass = 0.75 moles * 30.01 g/mol = 22.5075 g = 2.25 * 10^1 g
the coefficient of the scientific notation answer = 2.25
the exponent of the scientific notation answer = 1
significant figures are there in the answer = 6
the right most significant figure in the answer = 3
2.
number of moles = 12.5g/38g/mol = 0.3289 moles
1 mole occupies 22.4 L
0.3289 moles occupies 0.3289 moles * 22.4 L/1 mole
= 7.36736 L = 7.36736 * 10^0 L= 7.37 * 10^0 L
the coefficient of the scientific notation answer =7.37
the exponent of the scientific notation answer = 0
significant figures are there in the answer = 6
the right most significant figure in the answer= 3
Would a rollercoaster have the greatest kinetic energy at the top of the highest hill or at the bottom on the highest hill
Answer:
The rollercoaster has the lowest kinetic energy at the top of the hill.
The rollercaoster has the highest kinetic energy at the bottom of the hill.
Explanation:
The kinetic energy of any solid body in motion is usually computed using this formula:
K.E = [tex]\frac{1}{2}mv^2[/tex]
From this, we can see that it varies based on two major parameters - The mass of the moving object and the velocity of the moving object.
We can assume that the mass of the rollercoaster is constant since no one gets off and it does not shrink in its size during the ride.
This means that the variations in the K.E are mainly coming from its velocity.
At the top of the hill, the rollercoaster is moving at its slowest pace. hence, it has the lowest kinetic energy at the top of the hill.
However, at the bottom of the hill, the rollercoaster is moving its fastest, hence it has the highest kinetic energy at the bottom of the hill.
Smoking cigarettes is a lifestyle choice that may lead to cardiovascular disease.
Some people who have never smoked cigarettes still have cardiovascular disease.
Give two other factors that may contribute to the occurrence of cardiovascular
disease.
Answer:
High blood pressure. High blood pressure (hypertension) is one of the most important risk factors for CVD.
High cholesterol - High-fat diet.
PLSSSS ANSWERRRRRR?????
PLEASE HELP ME ASAP!!!!!!! NO LINKSSSS
Answer: C
Explanation: everything else seems like it is obeying the laws of gravity except wind blowing sand into the air. hope this helps.
How many moles are in 30.1 grams of O ? Watch your significant figures.
et
1.88 moles O
1.9 moles O
1.88 g O
2.00 g O
Answer:
1 mole of O contains 16g
x mole of O will contains 30.1 g
= 16x = 30.1
16x/16= 30.1/16
= 1.88 mole of O
the answer is 1.88 mole of O
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I'm glad for you! Best of luck in life tbh
Question 1:
How many atoms are in 25.00 g of Li.
A. 2.393 x 10^24 atoms of Li
B. 1.333 x 10^23 atoms of Li
C. 2.16 x 10^26 atoms of Li
D. 2.17 x 10^24 atoms of Li
Question 2:
How many grams is 2.393 x 10^24 atoms of CI
A. 70.45 g CI
B. 140.9 g CI
C. 140.9 mole CI
D. 70.45 mole CI
Please try to answer both questions! Thanks for all the effort :)
Answer:
1.a
2.c
hope helps
Explanation:
mark
pa
Shelton measures a temperature of a solution to be 20O degrees C and stirs 5 grams of a substance into the solution. this substance disappears and 10 minutes later the substance of the solution is 80O degrees C.
based on his observation, can Shelton conclude a chemical reaction has occurred?
A) yes because the substance dissolved in the solution
B) no because the volume of the solution did not change
C) no because there are no color changing solution
D) yes because heat was produced
Answer:
did u ever get an answer??
Explanation:
Answer:
The answer is C. Yes, because heat was produced
If 3.25 mol of Ar occupies 100. L at a particular temp and pressure, what volume does
14.15 mol of Ar occupy under same condition?
Answer:
435.38 L
Explanation:
From the question,
Applying ideal gas equation,
PV = nRT................... Equation 1
Where P = Pressure, V = Volume, n = number of moles, R = molar gas constant, T = Temperature.
Since Temperature and Pressure were constant,
V ∝ n
V/n = V'/n'.................... Equation 2
Where V and V' = the initial and final Volume of Ar respectively, n and n' = the initial and final moles of Ar respectively
make V' the subject of the equation
V' = Vn'/n............... Equation 3
Given: V = 100 L, n = 3.25 mol, n' = 14.15
Substitute into equation 3
V' = (100×14.14)/3.25
V' = 435.38 L
4.15 mole of Ar gas occupy the volume of 435.38 L under same condition.
What is ideal gas equation?
Ideal gas equation for any gas at standard condition is define as:
PV = nRT, where
P = Pressure,
V = Volume,
n = number of moles,
R = molar gas constant,
T = Temperature.
In the question it is given that pressure and temperature for the expansion is constant, so ideal gas equation becomes:
V/n = V'/n', where
V = initial volume of Ar = 100 L (given)
V' = final Volume of Ar = to find?
n = initial moles of Ar = 3.25 mole (given)
n' = final moles of Ar = 14.15 mole (given)
Now we calculate the final volume as:
V' = (100×14.14)/3.25 = 435.38 L
Hence, 435.38 L is the occupied volume.
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Begin walking at a brisk pace by pushing off of your heels onto your toes. After you feel warmed up (after 1 or 2 minutes), begin jogging at a slow pace (for 2 minutes). Next, run as fast as you can for 2 minutes. Slow down to a jog for 2 minutes. Slow down to a brisk walk for 2 minutes. Describes what? Question 1 options: Progressive walk Progressive Run Running Walking
Answer:
The answer is Progressive Run
Explanation:
I took the test and got it right <3
Brisk walking is the type of exercise that includes walking 3 miles in an hour at a faster speed than strolling. The situation describes the progressive run.
What is a progressive run?A progressive run is a type of aerobic and anaerobic exercise that benefits training and race management techniques.
The progressive run technique includes the easy and relaxing jog with a gradually increased running pace. This practice is used to overcome the second-half slow run issues.
Therefore, the situation depicts option B. progressive run.
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How can you control the flow of power in a circuit?
There are multiple ways to prevent these situations from occurring. The three most common protective devices are fuses, circuit breakers, and surge protectors
Explanation: