Answer:
A certain portion of the land will be set aside as wildlife habitat
Solar energy, geothermal energy, water and wind energy are 1.__________________ resources. coal, oil, natural gas are examples of 2.__________________resources. 3._______________or heat from the ground is less polluting than crude oil. but when they are taken from deep under the ground, areas that have high biodiversity are destroyed. hydropower (hydro meaning water) is energy that comes from the force moving 4._______________. flowing water creates energy that can be captured and turned into 5. ______________. the most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. natural gas is a form of 6. _____________, so are coal and crude oil (sometimes called petroleum). in the philippines, we have coal and natural gas deposits. 7. ______________is a black or brownish black, solid rock that can be burned. 8. ____________ is a clean energy source that we can rely on for a long-term future. a wind turbine creates reliable, cost- effective, pollution-free energy. it is affordable, clean, and sustainable. 9._____________ is the practice of caring for these resources so all living things can benefit from them now and in the future. to use natural resources 10_________________, we need to rethink which resources we use and how we use them. we
Answer:
1.Renewable resources.
2.Non- Renewable
3. Geothermal Energy.
4. Kenetic
5.Hydroelectric energy
6. Fossil fuels.
7.Coal
8.Wind power? (im trying to work with what you gave me)
9.Conservation
10. in the future? (these are ones that you have to think about)
Explanation:
you didnt give a key so at least give me credit for working with what i got.
Solar energy, geothermal energy, water and wind energy are renewable resources, Non- renewable, geothermal energy, kinetic, hydroelectric energy, fossil fuel, coal, wind power, conservation.
What is renewable resources?Renewable resources are energy sources that are never depleted and can provide a steady supply of clean energy.
What is energy?The capacity to work is defined as energy. It can take the form of potential energy, kinetic energy, thermal energy, electrical energy, chemical energy, nuclear energy, or any other form.
1) Renewable resources resources. coal, oil, natural gas are examples of
2) Non- renewable sources.
3) Geothermal energy or heat from the ground is less polluting than crude oil. but when they are taken from deep under the ground, areas that have high biodiversity are destroyed. hydropower (hydro meaning water) is energy that comes from the force moving.
4) Kinetic lowing water creates energy that can be captured and turned into
5) hydroelectric energy the most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. natural gas is a form of
6) fossil fuel so are coal and crude oil (sometimes called petroleum). in the Philippines, we have coal and natural gas deposits a black or brownish black, solid rock that can be burned.
8.) Wind power is a clean source that we can rely on for a long-term future. a wind turbine creates reliable, cost- effective, pollution-free energy. it is affordable, clean, and sustainable.
9) .Conservation is the practice of caring for these resources so all living things can benefit from them now and in the future. to use natural resources
10) In the future, we need to rethink which resources we use and how we use them.
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Give a brief description of the symptoms associated with dissociative fugue.
Answer:
People may seem and act normally during the fugue, or they may appear moderately bewildered and draw no notice. When the fugue is over, however, people are thrown into a new scenario with no recall of how they got there or what they were doing.
Explanation:
Estimate the percent ionic character of the co bond. (note that the electronegativity of c is 2.5 and that of o is 3.5.)
From the calcuation, the percent ionic character of the bond is 70%
What is percent ionic character?The term percent ionic character has to do with the degree of ionic bonding that is contained in a compound. It can be estimated from the electronegativity of each element.
We can use the formula; 100(1 - e^(-ΔEN² / 4))
EN = χB − χA * 100/1
EN = 3.5 - 1.5 = 1
100(1 - e^(-1)^2/4)
= 70%
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Answer: 25
Explanation:
The electronegativity of a C
atom is 2.5, and the electronegativity of an O
atom is 3.5. The absolute value of the electronegativity difference is
electronegativity difference= |2.5−3.5|
= 1.0 = 25%
Note the trend between the points in the bottom left region of the chart. According to this trend, the percent ionic character of a bond with a dipole moment 1.0 is approximately 25 %
D. Identify the building blocks of the following types of biological molecules: (4 points)i. Protein (2 points)
i. Protein (2 points)
ii. Lipid (2 points)
Building blocks are the small units that make the larger, more complex molecule. The building block of protein is an amino acid and lipids are fatty acids and glycerols.
What are proteins and lipids?Proteins and lipids are the biomolecules that are involved in major reactions in the living system. They are composed of smaller subunits joined together by bonds.
Proteins are molecules made up of amino acids linked by the peptide bonds to form the chain of proteins that plays a crucial role in cell functioning.
Lipids are composed of fatty acids and glycerol linked by the ester bond, essential for the storage of energy and in the composition of the membranes.
Therefore, proteins are composed of amino acids and lipids of fatty acids and glycerol.
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If 50 grams of CaCl2 is dissolved in 100g of water at 10 degrees. Is the solution saturated, unsaturated, or supersaturated?
Find solubility
Mass of solute/Mass of solvent×10050/100×10050%So half amount of solute is dissolved .
Hence the solution is saturated
If an ice cream melts do you have more less or the same amount of matter after the melting
When ice cream melts you have the same amount of matter after the melting.
Principle of conservation of massAccording to the law of conservation of mass, mass is neither created nor destroyed but can be converted from one form to another. Hence, a mass of ice can be converted to an equal mass of water.
When ice cream melts you have the same amount of matter after the melting.
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How do pure substances and mixtures compare?
Answer:
a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
Explanation:
5. When calcium carbonate is heated, the following reaction occurs:
CaCOJ – CaO + COz (a)
The standard enthalpy of reaction for each substance is shown below.
Substance
AH, (kJ/mol)
-1206.9
-635.1
CO2 (9)
-393.5
What statements correctly classifies the decomposition of calcium carbonate
reaction?
CaCO3 (5)
CaO(s)
A-The reaction is endothermic because energy is released during the
reaction.
B-The reaction is endothermic because energy is absorbed during the
reaction.
C-The reaction is exothermic because energy is released during the
reaction.
D-The reaction is exothermic because energy is absorbed during the
reaction.
Answer:
B-The reaction is endothermic because energy is absorbed during the
reaction
Explanation:
CaCO3 -> CaO + CO2
endothermic means cooling
its decomposition of limestone to calcium oxide (quicklime) and carbon dioxide on heating
byjus
what mass of Al w(molar mass 78g/mol) would have to be descomposed to produce 100 grams of Al203
Answer:
57.4 g
Explanation:
30.4 g Al will produce 57.4 g Al 2 O 3 30.4 g O 2 will produce 64.6 g Al
2 O 3 .The limiting reagent is aluminum, and the maximum amount of aluminum oxide that can be produced in this reaction is 57.4 g
Which electromagnetic wave has the least energy ? visible light microwave infrared light gramma ray
Why have scientists changed their ideas on the model of the atom?
Answer:
Scientists used the model to make predictions. Sometimes the result of the experiments were a surprise and they did not fit with the existing model!
The uncalibrated portion of a Burette is known as
The stopcock is the uncalibrated portion of a burette.
What is a burette?A burette is an instrument use in quantitative analysis which has opening at both ends and a tap at one end and it is use to measuring volume of liquid in the laboratory.
Therefore, The stopcock is the uncalibrated portion of a burette.
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Write the chemical formula for cobalt (II) bromide. Asp
Answer:
CoBr2
Explanation:
Hope it helps you :))))
have a good day
What will the pressure be if 89.9 moles of argon are contained in a 12.0 L cylinder that is pressurized at a temperature of 300 K?
Done!
How much of a 500g sample of potassium-42 is left after 37.2 hours if the half-life of potassium-42 is 12.4 hours
Answer:
15.625 g of a 500 gram sample of potassium-42 with 12.4 hours of Half -life is left after 62 hours.
The half-life is the time after which half of the initial quantity of a radioactive substance is left .
Given here,
The half-life of K-42 = 12.4 hours
The initial quantity of K-42 = 500 gm
The final quantity after 62 hours = ?
The number of half cycle
Thus the number of half life cycles in 62 hours is 5,
After 1 half life
After 2 half lives
After 3 half lives
After 4 half lives
After 5 half lives
15.625 g of a 500 gram sample of potassium-42 with 12.4 hours of Half -life is left after 62 hours.
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1. What is a taste bud?
O tissues containing nerve cells for taste
another name for the tip of the tongue
O
a liquid in the mouth that breaks down food
O a molecule that allows you to taste food
O tissues containing nerve cells for taste
One of the examples of homologous series is given below:
CH3OH
CH3CH2OH
X
CH3CH2CH2CH2OH
i. Define homologous series,
ii. Find the mass difference between successive members of above homologous series and calculate the molecular mass of x.
iii What is the reason behind the highest boiling point bu least solubility of the fourth member in the given series?
Homologous series: Homologous series is the series in which the functional group of any compound and their chemical properties are similar, the difference between any two successive members is same.
Above homologous series is of Alkanol
[tex] \tiny\sf \: general \: formula \: for \: Alkanol \rightarrow C_nH_{2n+2}O[/tex]
Above homologous series is differed by methylene (-CH2-) group. hence the mass diffrence between them would be the mass of -CH2- group.
[tex] \small \sf \: CH_2 = = 12+1+1 = 14 \: a.m.u. \\ \hline[/tex]
The compound X is next to CH3CH2OH hence, X will have molecular formula CH3CH2CH2OH which is obtained by addition of a methylene group.
[tex]\tiny\: the \: compound \: x \: (n = 3) \: have \: general formula =C_3H_{8}O \\ \small \sf \: The \: molecular \: mass \: of \: X =3 \times 12 + 8 \times 1 + 16 \\ \sf = 60 \: a.m.u[/tex]
The reason behind the highest boiling point of butanol is his molecular mass, the main reason is the surface area, as the molecular mass increases surface area also increases which lead to increase in the vanderwall forces, due to which boiling point of compound increases. the same compound having least solubility is due to lyophilic/Hydrophobic ( tendency to get dissolved in non aqueous solution) increases & solubility of compound in polar solvents decreases.
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If 30.5 g of 15% potassium nitrate solution are reacted to excess magnesium chloride how many grams of potassium chloride will be form
Write the nuclear equation for the beta decay Ni-60
[tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex] is the nuclear equation for the beta decay Ni-60.
What is beta decay?Beta-decay occurs when, in a nucleus with too many protons or too many neutrons, one of the protons or neutrons is transformed into the other.
The nuclear equation for the beta decay Ni-60
[tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex]
In beta minus (β−) decay, a neutron is converted to a proton, and the process creates an electron and an electron antineutrino; while in beta plus (β+) decay, a proton is converted to a neutron and the process creates a positron and an electron neutrino. β+ decay is also known as positron emission.
Hence, [tex]^6^0_2_7CO\;\rightarrow\;^6^0_2_8Ni\;+\;^0_-1e[/tex] is the nuclear equation for the beta decay Ni-60.
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What is the mechanical energy of an object?
O the sum of its thermal and chemical energy
O the sum of its potential and kinetic energy
the sum of its potential and chemical energy
the sum of its thermal and kinetic energy
Explanation:
the sum of potential and kinetic energy
atomic number of iron
Answer:
The atomic number of Fe which is iron is 26
Explanation:
In Africa, the oxpecker is a bird that eats bugs and other parasites from the skin of a rhino. This helps protect the rhino’s skin and keeps the bird fed. Which of the following describes the type of relationship that exists between the oxpecker and the rhino?
Answer:
mutual relationship
Explanation:
pls mark brainliest
How do models help scientists predict the polarity of molecules? Explain your answer using what you know about molecular structure and provide an example of a molecule that contains polar bonds, but is nonpolar.
Answer:
Explanation:
Models help scientists predict the polarity of molecules because the bond polarity should be determined that lies between the molecule atoms.
Models help scientists predict the polarity of molecules because the bond polarity should be determined that lies between the molecule atoms.
You can use the difference in electronegativity of two atoms to predict whether they make polar, nonpolar or ionic bonds. Water is a well-known example of a polar molecule.
The information with respect to the atom is as follows:
The bond that lies between the same atoms i.e. same elements should always be neutral.The bond that lies between the atoms of the different elements should always be inequivalent electrically as one atom should be positively charged and the other one should be negatively charged.How do you determine the polarity of a solution?Simply mix the liquid with an equal part of water and allow the mixture to sit undisturbed. Examine the mixture after the liquids have sat together for a time. If they have not separated, but have formed a solution, the unknown liquid is polar. If there is a clear boundary between the two liquids, it is non-polar.
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What is the phase of water at 0.25 atm and 0°C?
HELP PLEASE ASAP WILL MARK BRAINLIEST
what is the amount of heat required to raise the temperature of 200.0g of aluminum by 10C (specific heat of aluminum: 0.21 cal/g C)
a. 420 cal
b. 4200 cal
c. 42,000 cal
d. 420,000 cal
Please show calculations!
Question 28 of 34
What are the products of the neutralization reaction between HNO3 and
NaOH?
O
A. NH3 and Na₂O
OB. NaNO3 and H₂O
OC. NaH and NO4H
OD. NO₂, H₂, and H₂O
Answer:
B
Explanation:
NaNO3 and H2O
(double replacement reaction)
what do all atoms of any single element have in common
Four patients have been diagnosed with medical issues. A 2-column table with 4 rows. The first column labeled Patient has entries Josh, Ashley, Ron, Lindsay. The second column labeled Issue has entries sprained finger, pregnant with an under developed fetus, kidney stones, cancer in the tissues lining the uterus. Which patients could be best helped using ultrasound technology? Josh, Ashley, and Lindsay Josh Ron Ashley, Ron, and Lindsay
Answer:
Ashley, Ron, and Lindsay
Explanation:
Ultrasound technology is used for medical purposes by a scanning machine that allows to obtain living images of the inside of the body. For the type of issues they are going trough, ultrasound technology would help patients Ashley, Ron, and Lindsay. Ashley's under-developing fetus, Ron's kidney stones and, Lindsay's uterus cancer can be monitored by using ultrasound technology.
The ultrasound technology is a medical tool which can help a physician to evaluate, diagnose and treat medical conditions. Here the patients with Ron, and Lindsay kidney stones and cancer can be detected by ultrasound technology. The correct option is D.
What is cancer?A term for the disease in which the abnormal cells divide without control and can invade nearby tissues is defined as cancer. The cancer cells can also spread to the other parts of the body through the blood and lymph systems.
Kidney stones are the hard deposits made of minerals and salts which form inside our kidneys. It is mainly caused due to little drinking of water, obesity, eating food with high salt or sugar content.
The ultrasound technology can detect cysts, tumors, obstructions or infections within or around your kidneys. It is also used by the medical professionals for many purposes including the pregnancy related problems.
Thus the correct option is D.
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How can objects all be the same size but have a different mass? *help quick*
Answer:
All objects can have the same size but have a different mass!
This is true, although it sounds fake. This is one example, there is a Neutron star, and Neutron stars are as big as a city, but they have a mass which is hundreds of times greater than our sun's mass. Because of them having so much mass, they are also having so much gravitational energy, which makes them also have gravity. They're so small, but have so much mass that they can do much. Even a drop of a neutron star can punch open the earth! It's true, so yes, it is possible for objects the SAME size to be having different masses according to that example.
But let's look on how they can have different mass.
They can have different masses becase of different densities. Put a iron ball inside water, and put an apple as close to the iron ball's side, what happens? The apple floats, becuase the apple's mass is less than the water, and the iron ball's mass is MORE than the water. So, because the iron ball is denser than the apple, that's why, it has more mass than the apple. The apple isn't much dense, it isn't as dense as water or the iron ball. But the iron ball is much more denser than the water. So because of the different material densities of the material, that's why it can have different masses.
Remember to Remember those 2 examples I gave you... (neutron star vs sun, iron ball vs apple on water)
a radioisotope has a half life of 32 hours. if the average decay rate is 24 million decays per second on monday morning at 8 am, what was the decay rate on the previous morning at 10 am g
The decay rate of the radioisotope on the previous morning at 10 am is 38.7 million decays per second.
Initial decay rate of the radioisotopeThe initial mass of the radioisotope is calculated as follows;
N = N₀(¹/₂)^t/h
where;
h is half life = 32 hourst is time of day, from 8 am to 10 am previous day = 22 hours24 M/s = N₀(¹/₂)^(22/32)
24 M/s = N₀(0.62)
N₀ = (24 M/s)/(0.62)
N₀ = 38.7 M/s
Thus, the decay rate of the radioisotope on the previous morning at 10 am is 38.7 million decays per second.
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