Answer:
C.
Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
Explanation:
Generally ocean temperatures range from about -2o to 30o C (28-86o F). The warmest water tends to be surface water in low latitude regions, while the surface water at the poles is obviously much colder
C. Ocean temperatures experience high fluctuations. During the day, the land cools the hotter air temperatures above the ocean.
What is the hottest ocean temperature?The hottest ocean area is in the Persian Gulf, where water temperatures at the surface exceed 90 degrees Fahrenheit in the summer. Another hot area exists in the Red Sea, where a temperature of 132.8 degrees Fahrenheit has been recorded at a depth of about 6,500 feet.
What is a good temperature to swim in the ocean?A little cooler than your body temperature (98.6° Fahrenheit) should not be too cold so that you don't get chilled. 70° to 78° Fahrenheit is the range where most folks feel "comfortable" swimming.
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#SPJ2
A balloon filled with air has a volume of 6.50 L, a pressure of 0.900 atm, and a temperature of 25.0oC. If it is left out overnight, during which the temperature decreases to 15.0oC and the pressure rises to 1.15 atm, what will the volume of the balloon be?
Answer:
4.92 L
Explanation:
Rearrange ideal gas law and solve.
Change C to K.
- Hope that helps! Please let me know if you need further explanation.
Two friends are arguing about the structure of the universe. Caleb says that the universe is made of many galaxies that are
made of millions of stars and many galaxies that are made of millions of planets. Maria says that he is wrong because
galaxies like the Milky Way are made up of millions of universes with millions of stars.
Which best describes the error(s) that were made in this conversation?
Caleb is incorrect when he says that some galaxies are made of stars and some are made of planets, and Maria is
incorrect when she says that the Milky Way is a galaxy.
Maria is incorrect when she says that galaxies are made up of universes
Caleb is incorrect when he says that some galaxies are made of stars and some are made of planets and Maria is
incorrect when she says that galaxies are made up of universes
Maria is incorrect when she says that the Milky Way is a galaxy
Answer:
i put b but im not that sure
Explanation:
Use the IUPAC nomenclature rules to give the name for this compound - CrPO4.
Answer:
i need help
Explanation:
What is the wavelength of a light frequency 7.21x10^14Hz
Answer:
6.0 x 105
Explanation:
Answer:6.0 x l05
Explanation:
Which of the following compounds contains covalent bonds? *
Cs₂O
Fe₂O₃
NaCl
CCl₄
NaCI
Explanation:
I just worked this out the day before
Describe the interactions with the Sun, Earth and Moon system that result in Lunar Cycle / Phases.
Answer: The tides are another interaction in the sun-earth-moon system. The tides happen because the moon and sun pull on the oceans, causing them to rise and fall each day. The moon has a bigger effect than the sun because it is closer. The angle of the sun as the earth orbits over the course of a year causes the seasons.
Explanation:
Explain why a small magnet will stick to a refrigerator door, but a nail will not stick.
Answer:
Magnets stick to the fridge door because, underneath the paint, the door is made of steel. Magnets are attracted to certain metals, and if the attraction is strong enough they can hold on even when upside down. ... This means that a magnet will always be attracted to the door. But an iron nail does not have any magnetic properties. So it doesnt get attracted.
Hope this helps, Pls mark as Brainliest!!
A small magnet will stick to a refrigerator door, but a nail will not stick
because magnets attract certain types of metals.
Magnets have a strong magnetic field which is why it attracts metals such
as iron and steel. The refrigerator must have been made with iron or steel
which was why the magnet stuck to it.
Metals such as aluminium and copper aren't attracted by magnets which is
why the nails weren't attracted as a result of it being made with metals which magnets don't attract.
Read more on https://brainly.com/question/19482396
Which of the following is most likely a homogeneous mixture?
O A. A tossed vegetable salad
B. Chunky peanut butter
O C. Chocolate chip cookies
OD. A vanilla milkshake
Answer:
D)A vanilla milkshake
Explanation:
balance the following equation:
!!!!
Answer:
CaC2 + 2H2O > C2H2 + Ca(OH)2
Explanation:
Count the amounts of Ca, C, H, and O, all separately on both sides.
Ca: 1 Ca: 1
C: 2 C:2
H: 2 H: 4
O: 1 O: 2
Now, your goal is to get both sides equal to each other by adding a 2 in front of H2O.
Create a Element #Brainliest Challenge
Rules- It must Have Atomic mass and Number and it's Fictional name you created
For Fun Add #GoGenius
Answer:
NeHe
Explanation:
Atomic Mass: 24.182302
Number: 18
I don't know, I just made it up.
can somebody help me name these organic compound plz
Answer:
A. 3–Ethyl–2–methylpentane.
B. 3–Ethyl–1,5,5–trimethylcyclohexene.
Explanation:
To name the compound, we must observe the following:
1. Locate the longest continuous carbon chain. This gives the parent name.
2. Identify the substituent groups attached.
3. Locate the position of the substituent groups by giving them the lowest possible low count alphabetically.
4. Combine the above to name the compound.
Now let us name the above compounds
For compound (A)
1.The longest chain is carbon 5 i.e pentane.
2. The substitute attached are:
Ethyl => CH2CH3
Methyl => CH3
3. Ethyl comes before methyl alphabetically. But considering the structure of the compound, ethyl assume same position from either side of the compound. Therefore, we'll consider the lowest possible count for methyl. Therefore, their position is given below:
Ethyl => CH2CH3 => carbon 3.
Methyl => CH3 => carbon 2.
4. The name of the compound is:
3–Ethyl–2–methylpentane.
Compound B.
This is a cyclic structure.
1. The parent name is cyclohexene.
2. The substitute groups attached are:
Ethyl => CH2CH3
Methyl => CH3
3. Since the compound is unsaturated, the functional group is the double bond. Hence, we shall start our counting from the double bond and also considering alphabetical order of the substituent.
Please note methyl (CH3) appears three times.
Ethyl => CH2CH3 => carbon 3
Methyl => CH3 => carbon 1, 5 and 5.
4. The name of the compound is:
3–Ethyl–1,5,5–trimethylcyclohexene
What does “moving slow” mean to a geologist?
A landslide can be defined as a mass movement of material (e.g., rocks), which moves down a steep slope. A geologist is an expert that studies SLOW-MOVING landslides on a geological scale.
Landslides can occur suddenly or more slowly over long periods of time.
On a geological scale, landslides occur slowly so they are imperceptible to humans.
A geologist is a professional who investigates landslides on a geological scale, which is coarse on a human time-frame.
In conclusion, a geologist is a professional who investigates SLOW-MOVING landslides on a geological scale.
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NEED HELP WITH #1 WILL GIVE BRAINLIEST FOR CORRECT ANSWERS PLEEEASE HELPPP
Answer:
1) 64 grams of salt
2) Ce2(SO4)3
Explanation:
Answer:??
Explanation:
In the reaction N2 + 3H2 - 2NH3, how many
grams of H, are needed to produce exactly I mole
of ammonia?
A. lg
B. 2g
C.3g
D.4g
Answer:
B. 2g
Explanation:
So first you have to find the mole to mole ratio then convert it to grams if that makes sense. So the mole to mole ratio is 2 ammonia to 3 hydrogen gas. So then after you do that conversion you can solve for grams then. Sorry I am not that great at explaining.
How does the pressure of a container change as the volume is changed?
Answer: If the volume is decreased, the pressure would increase because the gas molecules have less space to move around. Same goes for the opposite; if the volume increased, the pressure would decrease because the molecules have more space to move and aren't packed as tightly .
Hope this helps!!!
How could you test each molecule to
determine if it was DNA or RNA?
Answer:
Nucleobases should be checked. RNA contains adenine, guanine, cytosine and uracil instead of thymine, so if we isolate uracil, it means that it is RNA, if not, then is DNA.
A weather forecast shows 35 m/h on the weather map. Which weather component does this number represent?
A.Humidity
B. Precipitation
C.Wind direction
D.Wind speed
Answer:
D. Wind Speed
Explanation:
When the question brings up 35 m/h, the m/h stands for Miles per Hour. What option can you measure the miles per hour. Here's a hint, it applies to cars as well when cops give your parents speeding tickets. Miles per Hour = Speed. So, you are measuring the wind speed.
4NH3(g) + 3O2(g) --> 2N2(g) + 6H2O(l)
H = 1530.4 kJ
If the temperature of this system is increased, then the equilibrium will shift to the _______ and the amount of N2 gas will _________.
a. left, increase
b. left, decrease
c. right, decrease
d. right, increase
Answer:
the right answer is : d
Explanation:
Because temperature is a cinetic factor.
I WILL GIVE BRAINLIEST PLEASE HELP
How many moles of NH₃ are needed to react in order to form 660. g (NH₄)₂SO₄ according to the following balanced equation: 2 NH₃ + H₂SO₄ --> (NH₄)₂SO₄ *
Answer:
10moles of NH₃ will produce 660g of (NH₄)₂SO₄
Explanation:
Equation of reaction:
2NH₃ + H₂SO₄ → (NH₄)₂SO₄
2 mole of NH₃ = 1 Mole of (NH₄)₂SO₄
Molar mass of NH₃ = [14 + (3*1)] = 17g/mol
Number of moles = mass / molarmass
Mass = number of mole * molarmass
Mass = 2 * 17 = 34g
Molar mass of (NH₄)₂SO₄ = [(14 + 4)*2 + (32 + 64)
Molar mass of (NH₄)₂SO₄ = 132g/mol
Mass = molar mass * number of moles
Mass = 132 * 1 = 132g
From the equation of reaction,
34g of NH₃ will produce 132g of (NH₄)₂SO₄
34g of NH₃ = 132g of (NH₄)₂SO₄
X g of NH₃ = 660g of (NH₄)₂SO₄
X = (34*660) / 132
X = 170g of NH₃
170g of NH₃ will produce 660g of (NH₄)₂SO₄
Number of moles = mass / molarmass
Molar mass of NH₃ = 17g/mol
Number of moles = 170 / 17
Number of moles = 10moles
Therefore 10moles of NH₃ will produce 660g of (NH₄)₂SO₄
answer questions using the two magnetic field models (will mark brainliest)
Answer:
2. A
3.B
4.B
Hope this helps,Pls mark as Brainliest!!
How many moles of O2 can be produced from 1.7 moles of KClO3?
Answer:
2.55 moles
Explanation:
Please see the step-by-step solution in the picture attached below.
Hope this answer can help you. Have a nice day!
what happens to the density of a box full of leaves if you crush up all the leaves and place them in another box
A the density increases
B the density stays the same
C the density decreases
D the density first decreases, then increases
Answer:
B the density stays the same
Name this compound:
Ca(CO3)
Calcium Carbonate would be your answer!
hope it helps!
A gas has a volume of 3.00 L at 65.0 C. The same gas has a volume of 11.4 L at 105 C and 1725 mmHg. What was the original pressure of the gas?
ASAP Would you expect the odor of an open bottle of perfume to spread through the air faster when the room temperature is 85F or 55F
Answer: The answer would be 85F
Explanation: The odour molecules become airborne much more quickly in a warmer environment than a colder one. So the bottle of perfume to spread faster through the air faster when the room temperature is 85F
Which equilibrium describes a reversible reaction a short time after starting the reaction with reactants only?
Answer:
Should be A
Explanation:
Of the following chemical properties , which one is not one that Covalent compounds DO NOT have ?
a
They share electrons between their elements.
b
They have weaker bonds.
c
They have relatviely higher melting and boiling points.
d
Many of these compounds are usallly liquids or gases at room temperature.
Answer:
D. They are usually liquids or gases at room temperature.
Explanation:
Covalent compounds have covalent bonds, meaning that they share electrons between elements and have relatively higher melting melting and boiling points due to the strength of their bonds. However covalent bonds are weaker than ionic bonds which is why B is correct. D is the only incorrect one because it is incorrect and contradicts point C. If a substance has a high melting/boiling point than it is much more likely to be solid at room temperature because of the high temperature it needs to pass in order to be a liquid or gas.
Hope this helped!
How is a lithium atom (Li) different from a lithium ion (Li+)?
Li has fewer electrons than Li+
Li has more electrons than Li+
Li has fewer protons than Li+
Li has more protons than Li+
Answer:
Li has fewer protons than Li+
PLZ HELP OR WILL FAIL!!
Label A drop downs are: condensation, melting, sublimation
Label B drop downs are: condensation, melting, sublimation
Label C drop downs are: condensation, melting, sublimation
The reaction for the combustion of methane is shown below. If 28.70g of methane
reacts with 51.40g of oxygen, how much water will be produced? Record your
answer with 2 decimal places.
CH
+
20,
oxygen
CO2
carbon dioxide
+ 2H,0
water
methane
Answer:
2.888mm needs for the reaction
