Answer:
It's all of the above.
Explanation:
I took the quiz.
Heart, 5 stars, and Brainiest to first right answer!
Which of these is a likely impact of stronger than normal trade winds in the Pacific Northwest of the United States?
A. Jet stream would be displaced northwards causing drought
B. Jet stream would be displaced southwards causing drought
C. Jet stream would be displaced southwards causing heavy rain and flooding
D. Jet stream would be displaced northwards causing heavy rain and flooding
I think correct answer is C.Jet stream would be displaced southwards causing heavy rain and flooding
The statement that is a likely impact of stronger than normal trade winds in the Pacific Northwest to the United States is Jet stream would be displaced southwards causing heavy rain and flooding.
pa help thank yoeee <3333
Answer:
1.c
2.c
3.a
4.b
5.a
i think that's the answer
2). How are simple carbohydrates, like glucose, used to build starches?
Carbohydrates which include sugars and starches are the primary energy sources produced in plants and used by heterotrophic organisms.
Carbohydrates are composed of a basic chemical formula that typically contains a ratio of one Carbon atom for every two Hydrogen atoms and one Oxygen atom C1H2O1. Basically one carbon atom for every one water molecule Carbon + Water = Carbohydrate.
Monosaccharides or Single Carbon Chain Sugars include Glucose C6H12O6
Disaccharides or Double Carbon Chain Sugars include Sucrose C12H22O11
Combining monosaccharides and disaccharides create Polysaccharides which are complex sugars called starches.
An unknown substance has a boiling point of 174°C. Which statement is true about this unknown substance?
a) It has a higher boiling point than water, and it likely has stronger electrostatic forces between its molecules than water.
b) It has a higher boiling point than water, and it likely has weaker electrostatic forces between its molecules than water.
c) It has a lower boiling point than water, and it likely has weaker electrostatic forces between its molecules than water.
D) It has a lower boiling point than water, and it likely has stronger electrostatic forces between its molecules than water.
Answer:
It has a higher boiling point than water, and it likely has a stronger electrostatic forces between its molecules than water.
Explanation:
The unknown substance has a higher boiling point than water, and it likely has stronger electrostatic forces between its molecules than water.
What is the meaning of Boiling Point ?The temperature at which a liquid's saturated vapour pressure equals the air pressure surrounding it is known as the boiling point.
It is given that an unknown substance has a boiling point of 174°C.
The boiling point of water is 100°C.
So the boiling point of the unknown substance is higher than that of water.
Higher boiling point signifies more heat required to break the bonds.
Higher boiling point means existence of strong non covalent bonds.
This means it likely has stronger electrostatic forces between its molecules than water.
Therefore Option A is the correct answer.
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A ramp is at an angle of elevation of 15° . The distance from the top of the ramp to the ground is 20 feet. What is the length of the ramp?
Answer:
Length of ramp = 77.27ft
Explanation:
Step 1 - Sketch a diagram
Make a line about 15 deg. above the horizontal x-axis. Draw the horizontal and vertical components to form a right triangle. See image if you don’t understand.
Step 2 - Label your diagram
Your triangle creates a 15 deg. angle with the x-axis and we know the vertical distance from the top of the ramp to the ground is 20 ft.
Step 3 - Use trig to make an equation and solve
SOH CAH TOA
I’m this problem we know the angle, know “opposite, and we are solving for the hypotenuse of the triangle. Therefore, it would be easiest to use SOH or sin(theta)= (opp./hyp.) Plug in the numbers and solve for the hypotenuse.
All work is shown in the attached image.
what is the chemical formula of copper (ii) hyddroxide
Answer:
Cu(OH)₂
Explanation:
Hope that helps
Answer: The chemical formula is Cu(OH)₂
Which of the compounds, C4H10, BaSO4, Zn(CN)2, Al(OH)3, contain an anion with a -1 charge?
Answer:
b
Explanation:
OH and CN both have -1 charges
What do the colors red, green, and blue have to do with light?
Answer:
The three specific cone cells in our eyes work together, allowing us to translate these three colors of light into millions of different colors. ... When green and blue light are combined, they make cyan. Red and green light make yellow. And when all three primary colors of light are combined, we see white light.
Explanation:
You already converted mass to moles for the reactants. Now convert mass to moles for the product, copper. 0.71 g Cu equals moles.
Answer: it wound'nt let me type the equations out so i did it on g.o.o.gl.e docs :')
Explanation:
hope this helps <3
have a great day/night/noon
:)
I figured it out no problem
Answer:
good job ;0
Explanation:
How many moles are in 50 g of CO2
Answer:
1.1 mol
Explanation:
n=m/M, where n is moles, m is mass, and M is molar mass.
M of CO2 = 12.01+16.00+16.00 = 44.01g/mol
n=50g/44.01g/mol
n = 1.13610543 mol
n ≈ 1.1 mol
Hope that helps
A quantity of HCL ( 1.5*10⁻³ M) is added to water at 25°C to increase the hydrogen ion concentration from 1*10⁻⁷ to 1.5* 10⁻³ moles per liter. What is the new hydroxyl ion concentration?
Which of the following could be classified as unleavened bread?
sourdough bread
muffins
tortilla
bagels
Answer:
Tortilla
Explanation:
Answer:
tortilla
Explanation:
please help me and promise I will mark as brainiest I need it in ISEF please
how much energy does the vehicle hydrogen fuel cell need to break hydrogen into ions ?!
Answer: A typical hydrogen fuel cell produces 0.5 V to 0.8 V per cell. To increase the voltage individual cells can be connected in series.
what is the molecular geometry of AsCl3?
Molecules' general shape, as well as bond lengths, bond angles, torsional angles, and any other geometrical factors that affect each atom's position, are revealed by their molecular geometry. The molecular geometry of AsCl₃ is trigonal pyramidal.
Molecule geometry is the study of the three-dimensional configuration of the atoms that make up a molecule. Because the shared pairs of electrons remain localized in a specific location between the nuclei of the involved atoms, covalent molecules have directed bonds.
The arsenic atom is surrounded by 4 regions of electron density which means that it has a steric number equal to 4. According to VSPER Theory, the molecular geometry will be trigonal pyramidal, AX₃E₁.
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Consider a box divided in half. One side is filled with 1 mol Ne at 300. Kelvin, and the other is filled with 1 mol Rn at 300. Kelvin. A small hole is opened in the divider between the sides, allowing the gases to mix. Suppose it takes 4.0 minutes for the Rn pressure to equilibrate between the two sides. How long (min) will it take the Ne pressure to equilibrate? Enter your answer to 1 decimal place.
It will take the Ne gas approximately 1.2 s to equilibrate between the two sides.
We know that the time taken for a gas to diffuse is dependent on the molar mass of the gas. This is one of the interpretations of Graham's law of diffusion in gases. Thus, Let;
t1 = time taken for Rn to equilibrate = 4.0 s
t2 = time taken for Ne to equilibrate = ?
M1 = molar mass of Rn = 222g/mol
M2 = molar mass of Ne = 20 g/mol
Using
t1/t2 = √M1/M2
4/t2 = √222/20
4/t2 = 3.33
t2 = 4/3.33
t2 = 1.2 seconds
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given the reaction 4Na(s) +O2 -> 2Na2O How many grams of Na2O can form from 3.0g of Na? use these molecular weight Na=23g/mole and O = 16g / mole
What is the most soluble in water? iconic, covalent, metallic or nonmetallic
Mole problems. See the image for reference. Please show your work.
Seeds Roots Cones Stem Spores Leaves 1. Mongo 2. Moss 3. Ferns 4. Pine Tree 5. Guava 6. Mango 7. Coconut 8. Katakataka 9. Potato 10. Okra 14
The method of propagation of the given organisms is shown below:
1. Mongo ---> seeds
2. Moss ---> spores
3. Ferns ---> stem
4. Pine Tree ---> cones
5. Guava ---> seeds
6. Mango ---> seeds
7. Coconut ---> seeds
8. Katakataka ---> leaves
9. Potato ---> stem
10. Okra ---> seeds
Definition of reproductionRepr0duction is the process by which living organisms produce young ones of their kind.
Repr0duction can either involve two parents through the joining of male and female gametes to produce a zygote i.e. seeds in plants and embryo in animals or can involve only one parent and occurs through vegetative parts such as roots, stem, or leaves.
List of organisms and their propagation partsThe table below gives organisms and their propagation parts:
1. Mongo ---> seed
2. Moss ---> spores
3. Ferns ---> stem
4. Pine Tree ---> cones
5. Guava ---> seeds
6. Mango ---> seeds
7. Coconut ---> seeds
8. Katakataka ---> leaves
9. Potato ---> stem
10. Okra ---> seeds
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List these distance units in order from smallest to largest: nm,m,km,dm
Answer:
nm, dm, km, m
Explanation:
1 nanometer = 1e-12 (0.000000000001) kilometers
1 decimeter = 1e-4 (0.0001) kilometers
1 kilometer = 1 kilometer
Regardless of whether 'm' stands for mile or meter, it's still larger than all of these being approx. 1.61 and 1e-3 (0.001) kilometers respectively.
in the future, please provide the exact units.
Such as:
nanometers, decimeters, kilometers, meters
CO 2 is an element. true or false
Answer: false
Explanation:
f this helps typically an element wont have a 2 next to it, to see if something is an element or compound check for the element on the periodic table and see if the structure or name matches the one given to you on the question. for example here it is Co2 on the periodic table it's simply written as Co
co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table
Answer:
true
Explanation:
co2 is carbon dioxide
Hope this helps.
Y’all what’s this I don’t feel like doing it and I’ll give brainlist too
Answer:
2.Closed System: A closed system is a thermodynamic system where energy can be exchanged with its surrounding but not matter. Open System: Open systems can exchange matter with the surrounding. Closed System: Closed systems cannot exchange matter with the surrounding. Open System: The mass of the system will vary with time in open systems.
Explanation:
1.The particle model is the name for the diagrams used to draw solids, liquids and gases. In the model, the particles are shown as circles or spheres. However, the particles in ice, liquid water and steam look the same because they are all water, but in different states of matter. Why do we use the particle model in science?
3.An open system can be defined as a system which can exchange both matter and energy with the surrounding. For example, the earth can be recognized as an open system. In this case, the earth is the system, and space is the surrounding. Sunlight can reach the earth surface and we can send rockets to space.
Some insects, such as water striders, are able to walk on water. In one or two sentences, make and justify a conjecture about a property of water that would allow the insect to walk on it.(2 points) SHORT ANSWER
Insects can walk on water due to its surface tension, which is something like 0.07 J/m^2.
So water (and most liquids) have a property called surface tension, which is defined as the amount of energy that you need to increase the surface per area unit of the liquid volume.
Thus, if the insect has smaller energy than that, it would not change the surface of the liquid, allowing it to walk on the water's surface.
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Answer: They are able to walk on water because of surface tension. Liquid molecules are held together by electrostatic forces. Molecules on the surface of the water are attracted to surrounding molecules and tension is created as the molecules get pulled down. This allows them to distribute their body weight over the water’s surface without breaking through that force.
Explanation:
The person who answerers this will get 100 points pls answer all the question's
Answer:
I think that is the literal answer
The lab stockroom has a bottle of Sulfuric acid labeled 15.5M. How many mL of water will you need to add to 5.41mL of the acid solution in order to get a concentration of 0.175M?
The volume of water needed to make the solution is 473.76 mL
We'll begin by calculating the volume of the diluted solution.
Molarity of stock solution (M₁) = 15.5 MVolume of stock solution needed (V₁) = 5.41 mL Molarity of diluted solution (M₂) = 0.175 MVolume of diluted solution (V₂) =?M₁V₁ = M₂V₂
15.5 × 5.41 = 0.175 × V₂
83.855 = 0.175 × V₂
Divide both side by 0.175
V₂ = 83.855 / 0.175
V₂ = 479.17 mL
Finally, we shall determine the volume of water needed.
Volume of stock solution needed (V₁) = 5.41 mLVolume of diluted solution (V₂) = 479.17 mLVolume of water =?Volume of water = V₂ – V₁
Volume of water = 479.17 – 5.41
Volume of water = 473.76 mL
Therefore, the volume of the water needed is 473.76 mL
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What volume in liters of carbon dioxide will be produced by the reaction of 18.5 liters of oxygen gas at STP?
L CO2
C3H8(g) + 5 O2(g) --> 3 CO2(g) + 4 H2O(g)
**Report your answer to the correct number of significant digits!
Answer:
0.16 L
Explanation:
Step 1: Write the balanced equation
C₃H₈(g) + 5 O₂(g) → 3 CO₂(g) + 4 H₂O(g)
Step 2: Calculate the moles of CO₂ produced from 0.012 moles of O₂
The molar ratio of O₂ to CO₂ is 5:3. The moles of CO₂ produced are 3/5 × 0.012 mol = 0.0072 mol.
Step 3: Calculate the volume occupied by 0.0072 moles of CO₂ at standard temperature and pressure
At STP, 1 mole of CO₂ occupies 22.4 L.
0.0072 mol × 22.4 L/1 mol = 0.16 L
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If I place an egg in orange soda will it gain mass or lose mass?
Answer:
The soda or the egg?
Explanation:
The soda will gain but the egg will lose it may take a while though
Answer:
Gains Weight UwU
Explanation:
Oxygen-15 decays through the release of a beta particle. Draw what the nucleus would look like after a beta particle is emitted. What element does it become?
When oxygen -15 nucleus undergoes beta emission, it is transformed into Fluorine - 15 nucleus.
Beta decay is said to occur when a neutron is converted to a proton. This process leads to the emission of en electron. The neutron - proton ratio decreases and the atomic number of the daughter nucleus is greater than that of the parent nucleus by one unit.
Hence, when oxygen -15 nucleus undergoes beta emission, it is transformed into Fluorine 15 nucleus.
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a solid substance a is soluble in water to the extent of 10 mg/ml of water at 25oc and 100 mg/ml of water at 100oc. you have a sample that contains 100 mg of a and 25 mg of an impurity b. a and b have the same solubility behavior. if one 10ml portion of water was used for the recrystallization, what was the % recovery of a
Answer:
join the provisonal IRA and help free and unite ireland
Explanation:
fight aganst the english oppressors and free ireland
erinn go braugh