how many moles are in 27.5 grams of CaCO3

Answer:

c

Explanation:

the wires are made of too many conductors

Answer:

Hello world, today we were given a bunch of worksheets and had to answer questions. We also had to make charts and put them on the website. Let's see how that goes. I'll see you later. Peace!

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7. What can you infer about the climate of each region by reviewing these climographs?

> Tokyo is a place in between warm and cold with a good amount of precipitation. Trondheim is a warm place. Arica is a desert, so it is very humid there.

Research Question: Do Ocean Currents Influence Climate?

Hypothesis: Have each student discuss the research question with one or two other students and then write their hypothesis(es) on paper.

1st Procedure: Predicting the Effect of Ocean Surface Currents on Coastal Climates

Read the Introduction aloud. Then look at the map of major ocean currents and write a prediction describing the climate you would expect of each place listed below. (The symbols are to help locate the cities on the world map.)

Arica, Chile (along the Peru Current, symbol: star)

Trondheim, Norway (along the Norwegian Current, symbol: smiley face)

Tokyo, Japan (along the Kuroshio Current, symbol: heart)

2nd Procedure: Recording Data-Making a Climograph (teacher should make 3 copies of blank climographs per student or group.)

Using the climate data from Fact Sheet A, create a climograph for each city listed. Use a line graph for temperature and a bar graph for precipitation on the same graph.

Conclusion and Analysis:

1. Examine your climographs. What is the difference between the highest and lowest temperatures in the climograph for each city?

> Tokyo, Japan: 39 degree difference

Trondheim, Norway: 32 degree difference

Arica, Chile: 12 degree difference

2. Which city is a desert? How can you tell?

> Arica, Chile is the city in the desert. I know this because there is no precipitation.

3. Take a closer look at the Arica, Chile climograph. What can you tell about the seasons and the months? How is this related to the hemisphere where Arica is located?

> In Arica, it would be warmer during January, February, November, and December, but here during in the Northern Hemisphere it would be colder. The reason is because the seasons are reversed in the Southern and Northern Hemisphere.

4. Is there a relationship between the temperature of the ocean current and the coastal climate?

> Yes, the temperature of the ocean current and the costal climate do have a relationship. With warm currents, the air is warm and moist. With cold currents, the air is dry.

5. Is there a relationship between the direction of the ocean current and the coastal climate?

> Yes, the direction of the ocean current and the costal climate do have a relationship. The ocean currents from the coast affects how the air will be on

land.

6. In general, on which side of the ocean basins are the cold currents? Warm currents?

> The east side of the ocean basins is where the cold currents are. The west side of the ocean basins are where the warm currents are.

Answer:

3

Explanation:

More scientificly explained

Answer:

changes from liquid to gas at 2,862°C

Explanation:

chemical changes are where you can't go back or change what's made. you can't change it after it's a gas.

Therefore, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

Vega is a main-sequence star located in the constellation Lyra. Betelgeuse is a red supergiant star located in the constellation Orion. The mass of Betelgeuse is observed to be about 20 times the mass of the Sun, while the mass of Vega is estimated to be about 2.1 times the mass of the Sun. Therefore, the mass of Betelgeuse is theoretically estimated to be around 9.5 times the mass of Vega.

Experimentally,

The mass of Betelgeuse is 2.188 x10^31 kg

The mass of Vega is 4.246 x 10^30 kg

Hence, the mass of Betelgeuse is about 17.634 kg/ 9.5 times the mass of Vega.

To learn more about Betelgeuse and Vega,

https://brainly.in/question/31136305

Answer: Food

Explanation:

The rat smells the food or sees the food it goes towards the food to eat it.

Answer:

The difference between the density of the ocean crust and the continental crust is the fact that the ocean crust is denser than the continental crust. Meaning, the continental crust is likely to push over the oceanic crust considering it has less dense.

Explanation:

I hope this helps, the last time I learned this was in 5th grade and I am i currently in the 11th grade....

Answer:

changing shape under heat and pressuremelting completely, then cooling

Explanation:

Answer:

melting completely, then cooling

Explanation:

If the newly formed metamorphic rock continues to heat, it can eventually melt and become molten (magma). When the molten rock cools it forms an igneous rock. Metamorphic rocks can form from either sedimentary or igneous rocks.

Answer:

a)Atomic number

Explanation:

Element symbol signifies the element. For eg, Na is sodium. Mass number is the sum of protons and neutrons of an atom of an element. Atomic mass is the molar mass of the given element. Finally, atomic number is unique to each element because it signifies the number of protons of that element. EACH ELEMENT has their UNIQUE number of protons. For eg, atomic number of hydrogen is 1 because it has 1 proton, NO OTHER ELEMENT HAS ATOMIC NUMBER 1 because NO OTHER ELEMENT HAS 1 proton.

Answer:

Formula of chlorine is Cl.

And formula of hydrochloric acid is HCl.

Hydrochloric acid is an inorganic chemical. It is a strong corrosive acid with a chemical formula HCl. It is also known as hydrogen chloride or muriatic acid.

Answer:

Explanation:

For Chlorine, it's Cl and for hydrochloric acid, it's HCl.

Answer:

+6.

Explanation:

So, a chromium atom here has an oxidation number of +6.

Answer: B.) the sun is closer to the Earth

Answer:

C

Explanation:

the sun is really hot so that is why

and please answer the questions on my profile please i beg of you its due by 11:59 pm TONIGHT or i get kicked out of school.. pls help..

Index fossils can help geologists compare rock Layers at Distance locations.

Index fossils help identify where Unconformities may have occurred.

Then that layer can be Compared to other locations.

Answer: a

Explanation:

Answer:

There is only one formula to use and we should assume ideal gas. This equation is: PV=nRT. For the following questions manipulate this equation to get the answer.

1. n = PV/RT = (249*1000 Pa)(15.6 L)(1 m^3/1000 L)/(8.314 Pa-m^3/mol-K))(21+273) = 1.59 mol

2. P = nRT/V = (1.59)(8.314)(51+273)/(15.6/1000)(1000) = 274.55 kPa

3. Since the answer in #2 is more than 269 kPa, then the tires will likely burst. 4. Reduce pressure way below the limit 269 kPa.

Explanation:

Answer:

There is only one formula to use and we should assume ideal gas. This equation is: PV=nRT. For the following questions manipulate this equation to get the answer.

1. n = PV/RT = (249*1000 Pa)(15.6 L)(1 m^3/1000 L)/(8.314 Pa-m^3/mol-K))(21+273) = 1.59 mol

2. P = nRT/V = (1.59)(8.314)(51+273)/(15.6/1000)(1000) = 274.55 kPa

3. Since the answer in #2 is more than 269 kPa, then the tires will likely burst. 4. Reduce pressure way below the limit 269 kPa.

Explanation:

Answer:

C

Explanation:

In this question it states that it moves your body in different ways, like when on a run in a forest, there are inclines, declines, twists, and turns, making your body move and function in different ways

Hope this helps!!! If so please give brainliest <3

Hello..!

There are 2 main types of ions one is an atom where the electrons are shared between the atoms. the other is an electron where one atom loses an electron to become a neutral in a charged ion, and the other atom gains the electron to become a charged lon anion.

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Ions with a positive charge are known as cations. Those that are negatively charged are called anions.

¿Doubts? in the comments Greetings.

The two main types of bonds formed between atoms are ionic bonds and covalent bonds. An ionic bond is formed when one atom accepts or donates one or more of its valence electrons to another atom. A covalent bond is formed when atoms share valence electrons.

Answer: A proposed hypothesis is based of the scientific method, so when you are asked to put a proposed hypothesis its asking to make a prediction based on any questions, and resources you have.

Explation: Hoped it helped

Answer:

#4 - 4, 1, 2

Explanation:

4Na + 1O2 => 2Na2O

Answer: Oxygen

Explanation:

Oxygen is not a good conductor, it is brittle, and has no luster.

Answer:

39

Explanation:

Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.

Answer:

Conductors allow electricity to pass through them, while insulators do not allow electricity to pass through them. Two examples of conductors are iron and steel. Two examples of insulators are plastic and glass.

Explanation:

When you put conductors in a circuit, it would result in a closed circuit while when you put insulators in a circuit, it would result in an open circuit. This is mainly because electricity can pass through conductors but not insulators. Metals are mostly conductors of electricity while non-metals are mostly not.

Answer: Pierre Aimable De Saint Simon Sicard

Explanation:

A prototype rebreather was built in 1849 by Pierre Aimable De Saint Simon Sicard.  It had a large back mounted oxygen tank with working pressure of about 13.3 bar, and two scrubbers containing sponges soaked in a caustic soda solution

Answer: The correct fill-in-the-blank answers are:

1. through binary fission (already filled in)

2. be resistant to penicillin

3. through asexual reproduction.

4. cell replicates before

5. a simpler process

Explanation:

The correct fill-in-the-blank answers are:

1. Bacteria reproduce through binary fission (already filled in)

2. A parent bacterial cell is able to survive in the presence of antibiotic penicillin. Subsequent generations from this parent will be resistant to penicillin

3. Something that potatoes and bacteria have in common is that they both reproduce through asexual reproduction.

4. In asexual reproduction DNA from the parent cell replicates before it produces daughter cells.

5. Asexual reproduction is a simpler process than sexual reproduction.

Know more about Bacteria: https://brainly.com/question/6941760

Answer:

C) energy cannot be created or destroyed, but it can change forms

Explanation: