help!
Where is visible light located on the EM spectrum?
A. Right in the middle
B. It isn’t on the EM spectrum
C. All the way to the right
D. All the way to the left

Answer:

Asexual reproduction

Explanation:

for microorganism to reproduce and spread, the microorganism uses a process of cell division called mitosis, where the microorganism divides it self into two individual microorganism by mitosis using Asexual reproduction (an organism dividing itself into 2 individual organism not involving sexual activities, called Asexual reproduction). for these microorganisms to be able to reproduce Asexually that makes it much faster for these organisms to spread much more faster then mammals of other Sexually reproductive organisms.

Answer:

thermal energy is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other.

Explanation:

I'm pretty sure its that. Hope its right!

Answer:

says wrong

Explanation:

The two best characteristic best describes the reputable digital resource are the precision and accuracy.

Explanation :The more the accuracy the better the digital product.

Any slight error on application or usage may result in severe loss on product manufacturing and also loss in application purpose.

Answer:

lower

Explanation:

For a spontaneous process, the standard Gibbs free energy change has to be less than zero:

∆G° < 0 → spontaneous

∆G° > 0 → non- spontaneous

∆G° = 0 → system is at equilibrium

For a negative change in standard Gibbs free energy, the Gibbs free energy of the products has to be lower than that of the reactants since Gibbs free energy change is the standard Gibbs free energy of products minus that of the reactants.

[tex]\boxed{∆G= G°(products) -G°(reactants)}[/tex]

Mathematical derivation:

G°(products) -G°(reactants) < 0

G°(products) < G° (reactants)

✩ Note that in the image attached, the Gibbs free energy change is usually denoted by a single-headed arrow, from reactants to products.

What is free energy?

Standard state conditions

Spontaneity

Answer:

a

Explanation:

An item which is experiencing a phase change is water boiling in a tea kettle.

The conversion of matter from one  state to another is called as phase change.The process is accompanied by a large amount of energy being evolved or absorbed during the process. It also depends on factors like temperature and pressure.

Each form of matter has it's own characteristic properties like specific heat, melting and boiling points . There are eight thermal processes through which matter undergoes phase change. They are as  follows:1) freezing 2) melting  3)vaporization 4)condensation 5)sublimation 6)deposition 7)ionization 8) recombination.

These eight phases exist at different temperatures  and pressures.The heat transfer process takes place in three ways which are conduction, convection and radiation.

Learn more about phase change, here:

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Answer:According to Dalton's law of partial pressures, the total pressure is equal to the sum of the partial pressures of each gas.  In equation form, this looks like this ...

Pt = P1 + P2 + ...

Pt = total pressure

P1 = partial pressure of gas 1

P2 = partial pressure of gas 2

Explanation:

Answer:

Improving the habitats of herring thereby increasing their population.

Explanation:

First, two consumers (Steller sea lion and  Pollock) are both competing for common prey (herring). Since the question only asked what could be done to increase the decreasing Steller sea lion population of Alaska, the focus would be made only on the Steller sea lion.

The Steller sea lion population would increase if:

1. The herring population should be increased by improving the food available for them to feed on, and improving their reproduction capacities to enable them to reproduce efficiently.

2. Since there are 2 predators. If the population of the prey is fixed, then Pollock should be more hunted by farmers or other biological means to eliminate competition.

Answer:  or Sodium carbonate.

              or Potassium permanganate

Explanation: ion carries 1 + charge whereas carbonate ion carries overall charge of -2. So for every carbonate ion, two sodium ions combine to balance the charges and thus form a stable compound,

Potassium ion carries 1 + charge where as permanganate ion carries overall charge of -1. So for every permanganate ion, one potassium ion combines to balance the charges and thus form a stable compound,  Explanation:

Answer:

2nd one and last one

Explanation:

im just that smart

Answer:

In very simple words ,

As the weight increases the gravitational force acting on the ball increases and thus it effects the change in the distance of the ball as the ball will fall very close to its initial distance if it has more mass and shall go far if the mass is less .

Answer:

The answer is A!!!

Explanation:

just took the quiz on edge:)

Answer:

The answer that you are looking for is A.) wool, silkworm cocoon, and cellulose

Explanation:

I got it right on edge 2020. 100%

Answer:

Explanation:

if you are wondering how you say that, you say "why the cat sits on the stove" but if it's a random question that has no sense to it my answer to you would be the cat needs some love and heat, the stove is the hottest thing it has right now. Give it some love!

Answer:

It helps us to insure what will the current rate will be to those subject or nartual disaster can conquere

The salivary amylase did not perform well if the pH becomes lower because it needs neutral pH for performing its functions.

We can say that the salivary amylase did not perform their function very well within the stomach due to unfavourable environment such as lower pH. Due to lower pH, the enzyme structure is damaged so unable to perform its function so we can conclude that the salivary amylase did not perform well if the pH becomes lower.

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Water is able to dissolve polar or ionic solutes.

Water is a liquid that is transparent or colourless, tasteless and odourless which form the Earth hydrosphere and can be use for fringing, cooking, washing, feeding animals and so on.

Polar or ionic solvents dissolve polar or ionic solutes. Polar Substance are substances that can dissolve in water completely or polar solvent.

Water is a polar solvent and it can dissolve polar solute.

Therefore, Water is able to dissolve polar or ionic solutes.

Learn more about Polar Substance from the link below

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Answer:

the answer is d ionic and polar

Explanation:

just took the quiz and got it right

Answer:

D

Explanation:

In the problem above it is

q = mass x heat fusion

q = 10 g x 334 J/g = 3340 J. Since the ice is absorbing heat it is + 334 J.

Answer:

3.34 kJ

Explanation:

took the test

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\[/tex]

1 kg = 1000 g

2.06 kg = 2060 g

1 L = 1000 cm³

2 L = 2000 cm³

mass = 2060 g

volume = 2000 cm³

We have

[tex]density = \frac{2060}{2000} = \frac{103}{100} \\ [/tex]

We have the final answer as

Hope this helps you

Answer:

The density of milk is 1.03 g/cm³.

Explanation:

Given data:

Volume of milk = 2.00 L

Mass of milk = 2.06 kg

Density of milk = ?

Solution:

We know that density is equal to the mass divided by volume.

we will convert the unit first because we require the density in g/cm³.

2.06 kg ×1000 g/ 1 kg = 2060 g

2.00 L × 1000 mL / 1L = 2000 mL

d = m/v

d = 2060 g/2000 mL

d = 1.03 g/mL

mL = cm³

d = 1.03 g/cm³

Thus, density of milk is 1.03 g/cm³.

Answer:

To determine if the forces acting upon an object are balanced or unbalanced, an analysis must first be conducted to determine what forces are acting upon the object and in what direction. If two individual forces are of equal magnitude and opposite direction, then the forces are said to be balanced

Explanation:

The mass of hydrogen reacted with nitrogen to give ammonia is 0.1 grams.

Mass of any substance will be calculated by using the moles as:

n = W/M, where

W = required mass

M = molar mass

Given chemical reaction is:

3H₂ + N₂ → 2NH₃

Moles of 0.575 g of NH₃ will be calculated as:

n = 0.575g / 17.03g/mol = 0.033 moles

From the stoichiometry of the reaction, it is clear that:

2 moles of NH₃ = produced by 3 moles of H₂

0.033 moles of NH₃ = produced by 3/2×0.033=0.0495 moles of H₂

Now we calculate the mass of hydrogen from the given moles and molar mass as:
W = (0.0495mol)(2.0158g/mol) = 0.09 grams = 0.10 grams

Hence, option (a) is correct i.e. 0.1 grams.

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Answer:

Average atomic mass =

(mass of isotope)(%abundance)+(mass of isotope) ( abundance ) / 100

avg. atomic mass =(12)(98.89) + (13)(1.11) /100

=1186.68 + 14.43 / 100

=1201.11 / 100

=12.0111

Answer:

Three Oxygen atoms gains two electrons each ( total of six) from two Al atoms, each Al atom loses three electrons (total of six) to three oxygen atom , in this process each Al atom becomes Al3+ ion and Oxygen atom after gaining two electrons becomes O2− ion

Explanation:

Three Oxygen atoms gains two electrons each ( total of six) from two Al atoms, each Al atom loses three electrons (total of six) to three oxygen atom , in this process each Al atom becomes Al3+ ion and Oxygen atom after gaining two electrons becomes O2− ion

Answer:

It is A

Explanation:

If you think about it, no-polar covalent bonds are in a symmetrical line, and polar bonds are on the diagonals of the center atom.

I hope I helped :)

Answer:b

Explanation:

Answer:

o cany give because of i am in 9th

Explanation:

1. volume

2. pressure

3. moles

4. temperature

5. temperature

6. moles

7. pressure

8. volume

9. pressure

10. volume

Answer:

decreases

i think so

byeeee

Answer:

I think it is called a Mixture

Explanation:

Sorry if it is wrong

Answer:

Nuclear fission is almost 5 times times more efficient than traditional fossil fuels at producing energy. That's a lot of energy packed into a small space. Nuclear energy is more efficient, which means it uses less fuel to power the plant and produces less waste.

Explanation:

Answer:

About 21.2 moles.

Explanation:

Recall the ideal gas law:

[tex]\displaystyle PV = nRT[/tex]

Where P is the pressure of the gas; V is its volume; n is the number of moles of gas; R is the universal gas constant; and T is the absolute temperature.

Rearrange to solve for n:

[tex]\displaystyle n = \frac{PV}{RT}[/tex]

Because R has units of L-atm/mol-K, convert the pressure to atm:

[tex]\displaystyle 1720 \text{ kPa} \cdot \frac{1\text{ atm}}{101.3\text{ kPa}} = 17.0\text{ atm}[/tex]

And convert from Celsius to kelvins:
[tex]\displaystyle \begin{aligned}T _ k & = T_C + 273.15 \\ \\ & = (20.0) + 273.15 \\ \\ & = 293.2\text{ K} \end{aligned}[/tex]

Hence substitute and evaluate:
[tex]\displaystyle \begin{aligned} n & = \frac{PV}{RT} \\ \\ & = \frac{\left(17.0\text{ atm})(30.00\text{ L})}{\left(\dfrac{0.08206\text{ L-atm}}{\text{mol-K}}\right)(293.2\text{ K})} \\ \\ & = 21.2\text{ mol } \end{aligned}[/tex]

In conclusion, there are about 21.2 moles of acetylene in the tank.