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Ksenya-84 [330]
2 years ago
5

If we add a catalyst to the following equation, CO + H2O + heat CO2 + H2, which way will the equilibrium shift?

Chemistry
1 answer:
Igoryamba2 years ago
7 0

Answer:

No effect.

Explanation:

Hello,

In this case, considering the widely studied Le Chatelier's principle, we can realize that the factors affecting equilibrium are concentration, temperature and pressure and volume if the reaction is in gaseous phase and with non-zero change in the number of moles. In such a way, by adding a catalyst to given reaction will have no effect on the equilibrium direction.

Best regards.

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Write the acid-base reaction that occurs when an aqueous solution of HCl is added to an aqueous solution of NaOH. (Use the lowes
Sloan [31]
H3O+(aq) + OH-(aq) --> 2H2O (l)

NaHCO3(s) --> NaH 2+ (aq) + CO3 2- (aq)

NaH 2+ (aq) + H2O (l) --> Na+ (aq) + H3O+ (aq)

H2O (l) + CO3 2- (aq) --> OH- (aq) + HCO3- (aq)

(I'm not completely sure if I did the third question right) I'm sorry if I got it wrong
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Photographs are taken of falling drops of two different liquids: Liquid X Liquid Y Note: the drops have identical volumes. Notic
aliina [53]

Answer:

See explanation

Explanation:

The reason why the droplets are spherical is  the surface area to volume ratio of the falling droplet in a gravitational field. Recall that a sphere has a small surface area to volume ratio.

Between X and Y, one key difference that will define the rate at which the two drops of liquid falls is the viscosity of the fluid. Since the images were not attached, I can not really tell what liquid droplet is more flatter  than the other.

However, the liquid with a greater surface tension will form larger droplets and experience a greater air resistance as the droplet falls. Hence the less the surface tension, the flatter the droplets. Cohesive forces pull molecules of a liquid droplets inwards leading to a more spherical shape and reducing the surface area. Surface tension is therefore the reason why liquids form droplets.

7 0
2 years ago
Nancy wants to find out how the steepness of a hill's slope affects the amount of soil that erodes from it. She has soil, a long
SVETLANKA909090 [29]

It Is A Type Of Lily

Regarded botanically as perennial with the scientific name herbaceous perennial, Agapanthus Peter Pan is an African lily. Hence, it’s also called as “The Blue African Lily of the Nile”. The flowers appear in trumpet-shaped rounded clusters with darker mid-vein petals.

They come out in an upright position due to its long stalks and are surrounded by narrow, loose and strap-shaped leaves. In addition, some categorize the plant under bulbs although it’s not, but due to the fact that it has fleshy and thick roots.

#3 – It Has Other Names

There are other terms known for Agapanthus Peter Pan. Other than simply African lily, this is often called as The Blue African Lily of the Nile, African Lily Peter Pan, Lily of the Nile Peter Pan, Dwarf Lily of the Nile and Dwarf African Lily.  This also explains the reason why most of the imported evergreen agapanthus came from certain parts of South Africa as these are better grown in milder climate areas with higher or heavy rainfall.

Therefore, the flowers typically bloom from the months of July to August, which are commonly known as the summer season in the US, Canada and Europe, and extends up to October. Of course, you’d see the glamorous, blue flowers in spring too.

#5 – It Needs Full Sun

This beautiful flower relies on sunlight in order to grow and remain healthy. However, planting it around a partly shaded area is alright.

You also have to keep in mind that this kind of plant must not be dried out or else it dies. Thus, watering regularly is a basic priority.

#6 – It Can Survive The Winter

Although it’s best planted in milder areas and sunny season, Agapanthus Peter Pan can endure the coldness of fall and winter seasons. In fact, you can place foliage in a pot or a small container so you can easily transport it inside your home.

This also implies that you don’t need a large, spacious garden to display this plant around your surroundings.

#7 – It Is Not Shrubby

Unlike some plants, Agapanthus Peter Pan grow in almost round, V-shape without spreading in a way that it reaches to an unparalleled position.

Its spread extends from 1 to 2 inches. Nevertheless, it can definitely create an elegant landscape view whether it’s planted in front of your house or in the backyard.

Based on an article excerpt from Plant Care Today, Agapanthus plants generally grow from 18 inches to 5 feet depending on the variant. But for Agapanthus Peter Pan, it can grow to a minimum height of 8 inches to 18 inches.

#8 – It Most Likely Grows In Moist, Drained Soil

In addition to the climate, remember that plants are best nurtured in an area where the kind of soil is met. It has to be a soil type of chalk, clay, loam or sand. In the case of Agapanthus Peter Pan, fertile, moist and well-drained soil must be considered.

#9 – It Is Easy To Grow

This plant requires low maintenance. All you need is enough sun, water and well-drained soil. Consider adding some organic material for fertilizing if you want to keep the plant healthy and flowers stunningly beautiful.

#10 – It Attracts Butterflies And Birds

The beauty of the blue flowers of Agapanthus Peter Pan is evident and undeniable due to the fact that they are favorite places for small birds and butterflies to go to. An even more so interesting fact is that it’s free from pests and diseases. It is also rabbit, deer and drought resistant.

Growing and Maintenance Tips:

As mentioned previously, Agapanthus Peter Pan is less difficult to take care of. But doing the right way is still vital to bear in mind. So here’s a list of quick tips on how to properly plant this agapanthus for beginners and maintain its beautiful foliage.

The Planting Process

1. If you choose to plant in the ground, dig holes but not too deep.

2. Amend the soil with some organic matter as fertilizer.

3. Carefully remove the plants from the containers and make sure the root ball is intact.

4. Loosen the soil and roots around the bottom as well as the edges of the root ball.

5. Place the plant in the hole leveling with surrounding soil, and spread roots outward.

6. Fill in the hole and around the roots with amended native soil.

7. Gently water.

8. Cover the whole area with leaf or bark.

9. Water again but this time deeply.

The Regular Watering Process

Water every morning. Night watering may promote diseases. As you water, go slowly and deeply, and if possible, do it twice with a few minutes apart. Keep in mind that you avoid over watering as this can cause some root problems. To conserve water, use a hose.  Just keep the soil wet! And water the flowers everyday!

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Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the emission of the highest-energy
AnnZ [28]

Answer:

  • Option A. n = 6 to n = 1

Explanation:

Niels Bohr was a Danish physicist who proposed the hydrogen atom quantum model to explain the discontinuity of the atom's emission spectra.

In <em>Bohr hydrogen atom</em> model, the electrons occupy orbits identified with the numbers <em>n = 1, 2, 3, 4</em>, ... Each number (orbit) corresponds to a different energy level  or state. The number n = 1 corresponds to the lowest energy level, and each higher number corresponds to a higher energy level.

This table shows the relative energy of the different orbits of the <em>Bhor hydrogen atom</em><em>:</em>

Orbit      Quantum       Energy      Relative

              number         level          energy

First          n = 1                  1                   E₁

Second    n = 2                 2                2E₁

Third        n = 3                 3                 9E₁

Fourth      n = 4                 4                16E₁

Fifth          n = 5                5                25E₁

Sixth         n = 6                6                36E₁

Seventh    n = 7                7                49E₁

When an electron jumps from a higher energy state down to a lower energy state, it emits a photon with an energy equal to the difference of the energies between the initial and the final states.

Since the <u>n = 6 to n = 1</u> transition results in the higher relative energy difference (36E₁ - E₁ = 35E₁), you conclude that it is this transition which results in <u><em>the emission of the highest-energy photon,</em></u><em> which is the option A. </em>

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The heating curve shows the energy gain of a substance as it changes from solid to gas. Which section of the graph shows the liq
Free_Kalibri [48]

Answer:

phase c show the liquid bas it is less from 100 and more from 0

3 0
3 years ago
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