Answer:
Warmer oceans affect weather patterns, cause more powerful tropical storms, and can impact many kinds of sea life, such as corals and fish. Warmer oceans are also one of the main causes of rising sea level. Check out the major effects of warmer oceans on people and the environment: Plants, Animals, and Ecosystems; Coastal Areas
Explanation:
The correct answer to the question is that the water of oceans will become less salty.
What is Global Warming?The Earth's climate system heating up over time and that can be referred to as global warming.This has been seen since before the industrial era and is the result of human actions, especially the combustion of fossil fuels.
What impact will global warming will have on ocean salinity?The seas are constantly becoming more and less salty due to evaporation, melting rivers and glaciers, and sea ice.Although it seems sense that more glacier melting would result in the seas being less salty generally as they rise, it's also true that saltier water lowers, so the waters at the surface might not be much saltier.So, it will become easy for us to use that water by separating the salt from it or may be it becomes less harmfull for living beings to drink.
Thus, we can conclude that the sea water will become less salty and may be used by living beings for various purposes.
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An object moves from one location to another that has a different gravitational pull. How would the object's mass be affected?
What is Hg2Cl2 empirical formula?
Answer:
Mercury chloride's(HgCI2) empirical formula is HgCI.
Explanation:
PLS HURRY MY TEST IS TIMED
Question 8(Multiple Choice Worth 5 points)
(08.04 LC)
Investigator Barnes is analyzing materials from an explosive. He finds traces of fertilizer that was used to build the bomb.
identify a possible suspect from the fertilizer?
Run a trace on the chemical marker placed by the manufacturer
Track down where the fertilizer was sold and who bought it
Input the color of the fertilizer into a registry to find the manufacture
Extract DNA from the fertilizer to identify its origin
Answer:
Extract DNA from the fertilizer to identify its origin.
Explanation:
Barnes find out that fertilizer was used in the explosive material. Barnes should now identify the origin of this type of fertilizer so that its root can be determined. When the origin is unable to be determined then Barnes should keep the traces of the fertilizer and try to identify the manufacturer.
Answer:
Track down where the fertilizer was sold and who bought it
Explanation:
I, myself, took this exam.
Which is an example of balanced forces?
A.a door starting to open
B.a basketball being held
C.a truck beginning to accelerate
D.a book falling off a table
Answer: B. a ball being held
Explanation: while your holding the ball the potential energy is greater than the kinetic
Which of the following best describes the formation of waves?
Question 2 options:
wind transfers energy to the ocean, creating waves
ocean transfers heat energy which creates wind; this in turn, forms waves
ocean and atmosphere transfer energy back and forth
Answer:
The first one
Explanation:
waves are created by friction between wind and water surface
Answer: i think is the first one i don’t rembember
Explanation: trust me
The relationship between kinetic energy and speed is
Answer:
The energy transferred is known as kinetic energy, and it depends on the mass and speed achieved.
This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed.
KE = 0.5 • m • v2
where m = mass of object
v = speed of object
That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. For a threefold increase in speed, the kinetic energy will increase by a factor of nine.
what is the chemical properties of milk
Answer:
milk sugar, salts, substances with fatlike properties, and gases
114. The following equation describes the oxidation of ethanol to acetic acid by potassium permanganate!
3C,H,OH + 4KMnO4 → 3HC,H,O2 + 4MnO+4KOH + H2O
5.00 g of ethanol (46.07 g/mol) and an excess of aqueous KMnO4 are reacted, and 5.99 g of HC2H302 (60.05
g/mol) result. What is the percent yield?
Answer:
Explanation:
The following equation describes the oxidation of ethanol to aceticacid by potassium permanganate:
3C2H5OH +4KMnO4-->3HC2H3O2 +4MnO2 + 4KOH + H2O
5.0 g of ethanol and an excess of aqueous KMnO4 arereacted, and 5.9 g HC2H3O2 result.What is the percent yield?
a. 100%
b. 91%
c. 67%
d. 30%
e. 5.9 g HC2H3O2 is impossible since it represcents more than a100% yield.
The percent yield of acetic acid is 91.9%
From the question,
We are to determine the percent yield of the acetic acid
To determine the percent yield of the acetic acid, we will calculate the theoretical yield first.
The balanced chemical equation for the reaction is
3C₂H₅OH + 4KMnO₄ → 3HC₂H₃O₂ + 4MnO₂ + 4KOH + H₂O
This means
3 moles of ethanol reacts with 4 moles of potassium permanganate to produce 3 moles of acetic acid
Now, we will determine the number of moles of ethanol that reacted
From the question
Mass of ethanol that reacted = 5.00 g
Molar mass of ethanol = 46.07 g/mol
Using the formula
[tex]Number\ of\ moles= \frac{Mass}{Molar\ mass}[/tex]
∴ Number of moles of ethanol = [tex]\frac{5.00}{46.07}[/tex]
Number of moles of ethanol that reacted = 0.10853 mole
Now,
From the balanced chemical equation,
3 moles of ethanol reacts with 4 moles of potassium permanganate to produce 3 moles of acetic acid
Then,
0.10853 mole of ethanol reacts with the excess potassium permanganate to produce 0.10853 mole of acetic acid
∴ 0.10853 mole of acetic acid will be produced
Now, for the mass of acetic acid that would be produced
From the formula
Mass = Number of moles × Molar mass
From the question
Molar mass of acetic acid = 60.05 g/mol
∴ Mass of acetic acid that will be produced = 0.10853 × 60.05
Mass of acetic acid that will be produced = 6.5172 g
This is the theoretical yield of acetic acid
Now, for the percent yield
[tex]Percent\ yield = \frac{Actual\ yield}{Theoretical\ yield} \times 100\%[/tex]
From the question,
Actual yield = 5.99 g
∴ [tex]Percent\ yield = \frac{5.99}{6.5172} \times 100\%[/tex]
[tex]Percent\ yield = \frac{599}{6.5172} \%[/tex]
Percent yield = 91.9106 %
Percent yield ≅ 91.9%
Hence, the percent yield of acetic acid is 91.9%
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Please help my teacher has like given up
Calculate the molar volume (volume of 1.0 mole) of an ideal gas at 1.0 atm and 25 °C?
Answer:
24.47 L
Explanation:
Using the general gas law equation:
PV = nRT
Where;
P = pressure (atm)
V = volume (L)
n = number of moles (mol)
R = 0.0821 Latm/molK
T = temperature (K)
According to the provided information in this question,
P = 1.0 atm
V = ?
n = 1 mol
T = 25°C = 25 + 273 = 298K
Using PV = nRT
V = nRT ÷ P
V = 1 × 0.0821 × 298 ÷ 1
V = 24.465 ÷ 1
V = 24.465
V = 24.47 L
define friction in your own words
The offspring of a sexually reproducing organism receives
A.
half of its genetic material from each parent.
B.
an exact copy of each parent's genetic material.
C.
an exact copy of one parent's genetic material.
D.
genetic material that is not related to either parent.
Answer:
It's A because its almost like a personality its just a sexuallity / gender
Answer:
half of its genetic material from each parent.
Explanation:
How many joules of energy are required to vaporize 250.0g of water at 100 degrees Celsius?
Answer: Q=104525J
Explanation: where Q is the heat energy required to heat a mass, m , though a change in temperature of Δ T and c is the heat capacity of the material (found in books!). Typical units are Q in Joules or J , m in k g and Δ T is in either Kelvin, K , or degrees Celsius o C . The units of c depend on the other units used but J / k g o C is typical.
Explain the difference between naming a covalent compound and an ionic compound.
Answer: An ion with fewer electrons than its neutral atom is called a(n) cation. The charge of an ion with more electrons than its neutral atom is. negative.Name an ionic compound by the cation followed by the anion. ... Covalent compounds are formed when two or more nonmetal atoms bond by sharing valence electrons. Valence electrons are the outermost electrons of an atom.
Explanation:
The map shows the average high temperatures in July for two cities in Texas.
Do anyone know science??
Answer:
I do not understand.
Explanation:
What do you mean by that?
Yes I know science but why are you asking a question like this?
(science)
hurry help!!
A person who is physically addicted to and emotionally dependent on alcohol has the disease called___________.
a. alcoholitis
b. osteoporosis
c. alcoholism
d. Parkinson's
Answer:
C
Explanation:
Alcoholism is the inability to control drinking due to both a physical and emotional dependence on alcohol.
What is the speed of a wave with a frequency of 560 Hz and a wavelength of 50 m?
Answer:
v is the wave speed in metres per second, m/s. f is the frequency in hertz, Hz. λ (lambda) is the wavelength in metres
balance the equation
H2O +SO3 H2SO4
Answer:
H2O + SO3 → H2SO4
this is the answer for
this question
NEED HELP ASAP GIVING 20 POINTS AND BRAINLIEST
Given 18.5 grams of CHA and 24.0 grams of Oz the following reaction occurs. Calculate the number of grams of
carbon dioxide that form from the reaction.
CH4 + 20 + CO2 + 2 H2O
Answer:
CO2 should be 50.88 g
Explanation:
CH4 + 2 O2 --> CO2 + 2 H2O
First, find the moles of CH4:
Molar Mass of CH4 (formular mass):
12+1*4=16 g/mol (actually just use the atomic mass in your periodic table to add them up)
Then we can find how many moles in CH4 = 18.5÷16=1.15625 mol
As we know 1 mole of methane(CH4) makes 1 mole of CO2, so if 1.15625 moles of methane is reacted, 1.15625 moles of CO2 will be made.
So the moles of CO2 is 1.15625 moles.
Calculate the mass of CO2:
Molecular mass: 12+16*2=44 g/mol
Mass=44*1.15625=50.88 g (cor. to 2 d.p.)
What type of bond will form between potassium and iodine
Answer:
ionic bond
Explanation:
The technology of sesimograph is helpful to humans because it
Answer:
Explanation:
Seismographs can detect quakes that are too small for humans to feel. During an earthquake, ground-shaking seismic waves radiate outward from the quake source, called the epicenter. Different types of seismic waves travel at different speeds and through different parts of the Earth during a quake.
How many molecules are there in 3.20 grams of NH4SO2?? explain if you can
Answer:
0.0389757845886336
Explanation:
What is the formula for the stable binary ionic compound formed between Barium and Oxygen?
A BaO
B. Ba2O2
CBaO2
D. Ba2O
Answer: a. BaO
Explanation:
For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.
Here element barium is having an oxidation state of +2 called as [tex]Ba^{2+}[/tex] cation and [tex]O^{2-}[/tex] is an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral [tex]BaO[/tex]
How would you describe boiling point?
Answer:
Boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure exerted by the vapour of the liquid; under this condition, addition of heat results in the transformation of the liquid into its vapour without raising the temperature. Water at its boiling point.
Explanation:
g00gle worls
Polarity is.. 1) When electrons are not shared between atoms in a compound 2) When electrons are shared unevenly among the atoms in a compound 3) when protons are shared evenly among the atoms in a compound 4) When electrons are shared evenly among the atoms in a compound
Answer:
The correct option is 2) When electrons are shared unevenly among the atoms in a compound
Explanation:
Polarity is the property of a molecule in which the atoms share electrons in an uneven way. This is due to differences in the electronegativity of the atoms. The atom with a higher electronegativity will attract with a higher strength the electrons. Thus, a separation of charges is produced: the atom with more electrons has a more negative charge while the atom with fewer electrons has a more positive charge. This charge separation generates a dipolar moment, which means: polarity.
50 POINTS QUESTION. PLEASE HELP ASAP, CLICK THE LINK BELOW AN IT WILL GIVE THE QUESTION. THANKS :)
Click the links to open the resources below. These resources will help you complete the assignment. Once you have created your file(s) and are ready to upload your assignment, click the Add Files button below and select each file from your desktop or network folder. Upload each file separately.
Answer:
that pdf looks sus
Explanation:
What is created when a wire moves between the poles of a magnet?
A. An electric current
B. A solenoid
C. An electromagnet
D. A ferromagnet
Answer:
An electric current is created
An electric current is created when a wire moves between the poles of a magnet.
So, option A is correct.
What is Electric current?The movement of positive or negative electric particles such as electrons through electric conductor or space is called electric current.Types of electric current are direct current (DC) and alternative current (AC)The SI unit of electric current is Ampere.The poles of a magnet creates magnetic field through such effect the movement of electrons in the wire starts and creates electric current.What is direct current (DC) ?The current which glows in only one direction consistently is called direct current.The current that flows in a flashlight or another appliances which run through a battery is an example of direct current.What is alternative current (AC)?A type of electric current in which the direction of the flow of electrons switches back and forth at regular interval or cycles.Current flows in power line is an example of alternative current.learn about electric current,
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A geologist visits Jessica’s classroom. He shows the class a diagram of different landforms. Which of the landforms is created by earth materials being deposited?
A. Cave
B. River delta
C. Canyon
D. Mountain
Cells, chromosomes, Body system, DNA (smallest to largest)
Explanation:
cells, dna, chromosomes, body systems
what is enviorement.
Answer:
the natural and man made thing which we can see around us is known as environment. not enviorement.
Answer:
Environment means anything that surrounds us. It can be living (biotic) or non-living (abiotic) things. It includes physical, chemical and other natural forces. ... In the environment there are different interactions between animals, plants, soil, water, and other living and non-living things.