Chemistry Middle School

How should Point 1 on the Sea Breeze diagram be labeled? (look at the picture)



a
Cool air, high pressure
b
Cool air, low pressure
c
Warm air, high pressure
d
Warm air, low pressure

How Should Point 1 On The Sea Breeze Diagram Be Labeled? (look At The Picture) ACool Air, High Pressure

Answers

Answer 1
A because the cool air coming off the ocean and high pressure rises

Related Questions

Where does energy for all living things come from FIRST

Answers

Answer:

The Sun is the major source of energy for organisms and the ecosystems.

Explanation:

Which sources of error could cause you to draw an incorrect conclusion to an experiment? Select all that apply.

1: testing too many times

2: not testing enough times

3: testing more than one variable

4: human error

Answers

Answer: Human error, not testing enough times.

- if it's not these 2 then it's Human Error, Not testing enough times, and testing more than one variable.

Hope this helps! :)

Definition: The different layers of gases that extend from the surface of the Earth into space.
Example: troposphere, stratosphere, mesosphere, thermosphere
Term: Type term here
(SC.6.E.7.1.) Radiation

Answers

Answer:

Exosphere because I know and it has the prefix ex which means out of (example:exterior)

Answer:

Atmosphere

Explanation:

These all are layers of atmosphere.

hope it helps!<3

10g of water will freeze at "32c" what temperature would 20g of water freeze

Answers

Answer:

20g of water would freeze at the Same temperature

all amounts of water will freeze at 32F but 0C

Write a summary of some key ideas about chemical reactions.
Please!
I have to pass science to be able to get my nails done professionally!!!
I WILL MARK BRAINLIEST!!!!

Answers

chemical reaction, a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.

Answer:

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Reactants are the starting materials, while products are the end result of the reaction. All chemical reactions are accompanied by a change in entropy.

In general, chemical reactions can be classified as either redox reactions or non-redox reactions. In redox reactions, there is a transfer of electrons between reactants. In non-redox reactions, there is no electron transfer. All exothermic reactions are redox reactions, while endothermic reactions may be either redox or non-redox.

Explanation:

Hope this helps!

the atomic number of an element is the number of ______ or ______ contained in the element.

Answers

Answer:

electrons or protons

Explanation:

This statement only applies to neutral atoms where the number of protons and electrons is equal

In a ___________ reaction, an acid and a base produce a salt and a water.
a. Decomposition
b. Neutralization
c. Synthesis
d. Concentrated

Answers

The answer is neutralization
Concentration I am sorry if I’m wrong

Please help me out with this stuff please

Answers

Answer:

You have to do some of these yourself we cant do all the pages. You have to make sure to extend your knowledge :)

Explanation:

The bobsled is an event in the winter Olympics. In this event, each sled and its riders speed down an icy track. Which factor(s) affect how much kinetic energy the sled and its team have when the sled crosses the finish line?
A mass only
B speed and time
C speed and mass
D speed, mass, and time

Answers

Answer:

Speed and Mass

The factor affecting how much kinetic energy the sled and its team have when the sled crosses the finish line is speed and mass. The correct option is C.

What is kinetic energy?

Kinetic energy refers to the energy that an artifact or particle has as a result of its motion.

When work, which transfers the heat, is performed on an object by trying to apply a resultant force, the object accelerates and gains kinetic energy.

Kinetic energy is indeed the energy of a moving body, so it is the energy of all objects moving.

It is one of the two major types of energy, the other being potential energy, which is the energy that is stored within objects at rest.

The amount of kinetic energy a moving object has is determined by two factors: mass and speed.

Thus, the correct option is C.

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Why do you think the Na+ ion is smaller than a neutral Na atom? Why do you think the Cl - ion is larger than a neutral Cl atom?

Answers

Answer:

Na+ ion is smaller than a neutral Na atom in the ion there was one more proton which will attract electron bring it closer to the center making the atomic radius smaller. Therefore making a Na+ ion is smaller than a neutral Na atom Explanation:

yes

Which statement explains the difference in chloroplasts between the two types of plant cells?
A.
The leaf cells have larger chloroplasts because leaf cells need more support and a stronger structure.
B.
The root cells have smaller chloroplasts because root cells do not need to store food and water.
C.
Unlike the leaf cells, the root cells have no chloroplasts because root cells do not need to produce or use energy.
D.
Unlike the root cells, the leaf cells have many chloroplasts because leaf cells produce sugars for the plant.

Answers

Answer:

A

Explanation:

I think it a because it seems more like the right answer

A because the leaves hold chloroplast not the roots of a plant

PLEASE HELPP
Science
Data

Answers

C- it doesn’t support his data because he was wrong
C-it doesn’t support his data because he was wrong

Why does the sun appear to be the brightest star in the sky?
A. It burns more gas, making it brighter than any other star.
B. It is the largest star in the galaxy, so it is the brightest star
C .Its relative distance to Earth is closer than the other stars.

Answers

Answer:

C. it's relative distance to earth is closer than the other stars

i think it’s c cause The sun is a medium size star that appears larger and brighter than other stars because it is closer to us.

A squirrel and an oak tree are both examples of individual:
Genes
Organism
Cells
Ecosystems
Other:

Answers

Answer:

it's b:organism

Explanation:

Answer:

A squirrel and an oak tree are both examples of individual organisms

Hope I Helped You!!!

 

Experiment Scenario: Taylor is testing three brands of fertilizer to see which produces the best plant growth. The amount of water given to each plant will remain the same. He plans to use only one type of plant as well.

Questions: Taylor's measurement of the plant height will be his WHAT variable. The amount of water he waters the plants with will be one of his WHAT variables. The three brands of fertilizer he uses will be his WHAT variable.

Answers

Answer:

Explanation:

1. DEPENDENT

2. CONTROL

3. INDP

Explanation:

dependent. Control. Independent

at least two examples
of Chemical Formula

Answers

Explanation:

Rotting, withering, heat and light emission, precipitate formation, gas evolution, or a change of appearance.

Answer:

h20 (water duh)

C9H13N (Amphetamine)

C6h1206 (glucose)

PLEASE HELPP

A student fills four containers with 20 ml of water and places them in four different locations.
One is placed in a sunny window, one is placed underneath a heat lamp, one is placed on a
student desk, and another is placed in a dark cabinet. The student plans to collect evaporation
data over a period of one week. Which prediction will best match the actual results?

Answers

Answer:

a heat lamp

Explanation:

Answer:

The one under the heat lamp is most effective

Explanation:

The heat is making the water warm and will soon evaporate

Which option correctly identifies the pure substance or substances? a. diamond b. salt

A. a
B. a and b
C. b and c
D. all of them

Answers

I think the correct answers are A and B

The Brahman cattle have good resistance to high temperature, but its meat is poor and tough to eat. The English shorthorn cattle, on the other hand, have good meat, but poor resistance to high temperatures. Farmers formed the Santa Gertrudis cattle by breeding Brahmans with English shorthorns. This new type of cattle has good meat and resistance to high temperatures. Which of the following best describes the process used to produce the Santa Gertrudis cattle?

A.
genetic engineering

B.
inbreeding

C.
natural selection

D.
selective breeding

Answers

Answer:

d

Explanation:

D because Selective breeding is the process by which humans use animal breeding to selectively develop particular phenotypic traits by choosing which typically animal males and females will sexually reproduce and have offspring together. Which is what the farmer should do to make his cattle much more better

Please helppp with this question

Answers

Answer:

c

Explanation:

hope this help

Worksheet: Balancing Equations
I. Fill in the blanks with the most appropriate term:
A ________________ ________________ tells the story of a chemical reaction. ________________ are the starting substances in the reaction while ________________ are the new substances that are formed. The large numbers in front of some of the formulas are called ________________. These numbers are used to ________________ the equation because chemical reactions must obey the Law of ________________ of Matter. The number of atoms of each element on both sides of the equation must be ________________ because matter
cannot be ________________ or ________________. When balancing equations, the only numbers that can be changed are ________________; remember that ________________ must never be changed in order to balance an equation.
II. Balance the following equations:
1. Al + O2 Al2O3


2. C3H8 + O2 CO2 + H2O


3. P4 + O2 P2O3




4. KNO3 KNO2 + O2


5. O2 + CS2 CO2 + SO2


6. KClO3 KCl + O2


7. N2 + H2 NH3


8. NaF + Br2 NaBr + F2


9. Al + HCl H +AlCl3


10. WO3 + H2 W + H2O

Answers

Answer:

1. Chemical Equation 2. Reactants 3. Products 4. Coefficients 5. Balance 6. Conservation 7. Equal 8. Created 9. Destroyed 10. Coefficients 11. Subscripts

Explanation:

A balanced equation obeys the law of conservation of mass. The mass of the reactants and products are equal on both sides of the equation.

What is a balanced equation?

A chemical equation in which the number of atoms of reactants and products on both sides of the equation are equal is defined as the balanced chemical equation. The numbers which are used to balance the chemical equation are called the coefficients.

The coefficients are the numbers which are added in front of the formulas. According to law of conservation of mass, the mass can neither be created nor be destroyed. It can be transformed from one form to another.

In other words, the mass and charge are balanced on both sides of the reaction.

The balanced equation for the reaction is:

4Al (s) + 3O₂ (g) → 2Al₂O₃ (s)

Here the number of 'Al' and 'O' atoms are balanced.

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What greatly affects how scientists (and you) look at and interpret evidence?

Answers

Answer:

their world view is the correct answer

Worldview is correct hope it helps:)

plz help on last question i asked

Help PLEASE!! Will mark brainly Calculate the total energy in 1.5 x 10^13 photons of gamma radiation having wavelength = 3.0 x 10^-12 m. Need to show ALL work.

Answers

Answer:

The total energy but the photons will give is 6.615 x 10^-14

Explanation:

Formula that can be used in this question is E= hf or E= hc/ λ

This is the formula that can be used to calculate the energy that the photon is carrying where it is given as the Planck's Constant .

Now putting the values given in the equation that can calculate energy we get Planck's Constant is equal to 6.62 x 10^-34

E=(6.62 x 10^-34 x 2.998 x 10^8) / ( 3 x 10^-12 )

E=6.615 x 10^-14

Answer:

The total energy but the photons will give is 6.615 x 10^-14

Explanation:

In a __________________ reaction, elements are not changed, just rearranged. Small amounts of energy take place.
a. Endothermic
b. Exothermic
c. Nuclear
d. Chemical

Answers

D. Chemical.
In a chemical reaction, elements are not changed, just rearranged. Small amounts of energy take place.

What elements are represented by the chemical NaHCO2 formula?
A. nitrogen, helium, carbon, oxygen
B. nitrogen, helium, cobalt
C. sodium, hydrogen, cobalt
D. sodium, hydrogen, carbon, oxygen

Answers

Answer: D.

Explanation: Na= Sodium, H= Hydrogen, C= Carbon, O= Oxygen

the answer is D because sodium bicarbonate is formed by mixing carbon,sodium,hydrogen, and oxygen

Help pls What is the name of the atom shown

Answers

Answer:

the answer to this question is helium

Explanation:

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Select the correct scientific notation form of this numeral using only 3 significant figures. 8,468 L

Answers

Answer:

8.47 x 10^3

Explanation:

So since we only want 3 sig figs we have to round our last digit up and then it is 10^3 because we moved the decimal place to the left 3 times to get 8.47

Comment if you have any other sig fig questions, happy to answer them!

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I NEED HELP ASAP!!!
A sample of ice undergoes a physical change by being melted in a beaker. The ice cube had a mass of 30 grams. What will be the mass of the liquid water? How did you determine this?

Answers

Answer:

it would still be 30 grams.

Explanation:

it would still be 30 grams because you are not adding any more water to the beaker and you are not taking any of the melted water away

According to the video, what qualities do Chemists need? Check all that apply. curiosity ability to focus on details ability to lift heavy objects negotiation skills friendly attitude painstaking follow-through

Answers

Curiosity, Ability to focus on detail, and Painstaking follow-throw.

Easy Answers.

The qualities do Chemists need is to be considered as the curiosity. ability to focus on details, and painstaking follow-through.

Qualities of Chemists:The person should have patience. he has flexible nature. Also, he should be curious in nature. Moreover, they should have the capability for focussing on details.

hence, The qualities do Chemists need is to be considered as the curiosity. ability to focus on details, and painstaking follow-through.

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You carry a 50-N weight up a flight of stairs that is 3 m high in 10 s. then you carry 40 N up two flights of stairs in 20 s. Finally, you carry 30 N up three flights in 45 s. Is the job that took the most power the same as the job that took the most energy? Explain.

Answers

No it is not the same you can use more power than the other but you’re using it for a shorter amount of time so your using less energy than if you where to go up 3 flights of stairs
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