Is the chemical equation balanced?

Yes or no

The statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.

Pond is an inland body of standing water, either natural or man-made, that is smaller than a lake.

A bog is an area of decayed vegetation (particularly sphagnum moss) which forms a wet spongy ground too soft for walking.

This means that a pond can become a bog when existing plants in the pond decays until the land becomes soft.

Therefore, the statements that describe how the pond turned into the bog is as follows: Large water plants grew in shallow water around the edge of the pond.

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Answer:

Explanation:

Complete the following statements to describe solids, liquids, and gases. Select the correct answer from each drop-down menu.

Answer:

I got it right

Explanation:

Answer:

D. Material releases heat to its surroundings.​

Explanation:

use the ex in exothermic to remember the word

exit

as in

heat is exiting the material

khan academy

What is primarily released in radioactive decay is : ( D ) Particles or electromagnetic waves

Radioactive decay is the breakdown of the nuclei of atoms which results in the release of energy and particles ( matter ) from the atomic nucleus. the energy released in the process is known as ionizing energy.

The primarily released particles in a radioactive decay are the alpha,beta and gamma particles

Hence we can conclude that primarily released in radioactive decay is : ( D ) Particles or electromagnetic waves

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Answer:

1 4 2 3 5 from top to bottom

Explanation:

1 - pOH = 0.5

4- pH = 3.5

2- [OH–] = 5.62 × 10–5 M

3-  [H3O+] = 3.16 × 10–7 M

5- pH = 0.5

Answer:

Electrons in their outer shell

Explanation:

They have similar properties they have the same number of electrons in their outermost shell.

Sorry If This Is Late***

Elements can't be broken down, into a simplre set of properties. They are one strict unit & cannot be broken down, however they can be added together to make a compound.

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50%

Because f is dominant to 1, it will be a 50/50 chance of the offspring having short fur, or long fur.

Pls correct me if im wrong

The main purpose of filtration is to separate particles and fluid; therefore, the words to complete the phrase are particles and fluid.

This is a method used to separate particles in a suspension (substance that contains fluid and large particles).

The main idea of filtrating a substance is to separate the particles from the fluid.

When tea is made, a filter is usually used to separate the leaves (solid particles) from the fluid.

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Answer:

The rocks contain iron that points in the direction the rocks move away from the ridge.

Answer:

700 kJ

Explanation:

There are two C-O bonds in CO2

2 * 350 = 700

The balanced equation for NaOH and HCl is HCl(aq) + NaOH(aq) ⇌ NaCl(aq) + H₂O(l).

A balanced equation has the reactants are on the left side of the arrow, whereas the products are on the right.

The number in front of a chemical formula denotes the number of moles in a compound. The number of atoms in a single molecule is indicated by subscripts (numbers below an atom).

Thus, the balanced equation for NaOH and HCl is HCl(aq) + NaOH(aq) ⇌ NaCl(aq) + H₂O(l).

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Answer:

Scientists have measured global temperatures for over a hundred years and see that the Earth is getting hotter. The trend can be best visualized by comparing each year’s average temperature with the long-term average. This figure shows observations of the world’s annual average temperature made by the National Oceanic and Atmospheric Administration (NOAA). It compares each year’s temperature to the average over the entire century. Blue bars are years that were cooler than average and red bars are years that were warmer than average. In recent decades, the years have always been hotter. If there were no long-term temperature trend, you would expect a mix of red and blue bars throughout the record. That’s not what we see.

Extra greenhouse gases in our atmosphere are the main reason that Earth is getting warmer. Greenhouse gases, such as carbon dioxide (CO2) and methane, trap the Sun's heat in Earth's atmosphere.

Marine heat waves have already doubled in number since 1980 and are expected to become more intense as temperatures rise

Explanation:

The empirical formula of at least four binary ionic compounds that could be formed from the calcium, chromium, chloride and sulfide ions are CaCl₂, CrCl₄, NaCl and CaS respectively.

If any compound which is composed of two different elements, one of which is a positive ion (metal), and the other is negative ion (non-metal) is called binary ionic compounds.

Hence, CaCl₂, CrCl₄, NaCl and CaS are the four binary ionic compounds.

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Answer:

a . Organ A is heart liquid B is blood

b. red is the colour of liquid B

c. the useful substance is oxygen and nutrients

d. carbon dioxide is the waste E

Answer:

Sedimentary rocks

Explanation:

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation.

The process of deep sediment burial causes sediment to get compressed and cemented resulting in sedimentary rock. Here the recorded observations of the scientist is about sedimentary rocks. The correct option is B.

The rocks which are formed by the deposition and subsequent cementation of the material at the surface of the earth within the bodies of water can be defined as the sedimentary rocks. They are of three types. They are organic, clastic and chemical sedimentary rocks.

Sedimentary rocks are generated  by the accumulation of the existing rocks or fragments of extinct organisms on the earth surface. They are formed from the pre-existing rocks or pieces of once living organisms.

The common sedimentary rocks are sandstone, limestone and shale. Biologic sedimentary rocks are formed when large number of living things die. Chert is an example for this.

Thus the correct option is B.

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Answer:

b

Explanation:

Answer:

Number 4 is the answer

Explanation:

I hope it will help you

Answer:

206.99 C

Explanation:

V1 / T1   = V2 / T2             T must be in K units

V1 * T2/V2 = T1

255 C =   528.15 K

(1)(528.15)/1.1 = T1 = 480.14 K    = 206.99 C

Chlorine gas can be produced in the lab by the reaction is K₂Cr₂O₇ + 14HCl → 2KCl + 2CrCl₃ +7H₂O + 3Cl₂.

Chlorine gas is produced in many ways in laboratory. One of the ways is from potassium chromium oxide with hydrochloric acid.

The result is potassium chloride and chromium chloride and water and three molecules of chlorine.

Thus, the reaction is K₂Cr₂O₇ + 14HCl  →  2KCl + 2CrCl₃ +7H₂O + 3Cl₂.

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​

Answer:

v1=35,679.7 ml

Explanation:

p1v1/t1=p2v2/t2

v1=t1p2v2/p1t2

v1=672.44*442.6*7650ml/267.86*239.18

v1=35,679.7 ml

Dalton's Law

P tot = P H₂O + P gas

95.0 = 3.17 + P gas

P gas = 91.83 kPa

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Answer:

Heavy Snowfall

High Winds

Extremely Low Temperatures

Reasoning:

Lots of snow, kinda self explanatory

high winds are needed to carry the snow that fast

its has to be below freezing for snow to even form

Answer:

saturated is the correct one

Answer: saturated

Explanation:

When a solution contains the maximum amount of solute that can dissolve under a given set of conditions, it is a saturated solution. Any more solute added will sit as crystals on the bottom of the container.

If 0.01 mol of neon gas at a particular temperature and pressure occupies a volume of 0.225 L, then 0.05 mol of neon gas would occupy a volume of 1.125 L under the same conditions.

Given:

Number of moles of neon gas (n₁) = 0.01 mol

Volume of neon gas (V₁) = 0.225 L

We are required to find the volume of neon gas (V₂) when the number of moles (n₂) is 0.05 mol under the same conditions.

The relationship between the number of moles, volume, and pressure of a gas is given by the ideal gas law: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

Since the temperature and pressure are the same in this case, we can rearrange the ideal gas law equation to solve for the volume:

V = (n₁ * V₁) / n₂

Substituting the given values into the equation:

V₂ = (0.01 mol * 0.225 L) / 0.05 mol

V₂ = 0.00225 L / 0.05 mol

V₂ = 0.045 L/mol

Therefore, 0.05 mol of neon gas would occupy a volume of 1.125 L under the same conditions.

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The hydronium ion concentration of a solution is 56,263. The solution is acidic.

pH is potential hydrogen. It is the measurement of the acidity and basicity of any solution.

Given the pH of solution is 4.75

By the formula of hydronium ion

[tex]\rm pH = -log[H_3O^+]\\\\4.75 = -log[H_3O^+]\\\\antilog - 4.75 [H_3O^+]\\\\H_3O^+ = 56,234[/tex]

Thus, the  hydronium ion concentration of a solution is 56,263. The solution is acidic.

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The lowest temperature that would cause a red blood cell within the human body experience apoptosis is 338K.

Aposptosis is the death of cells in the am organisms which occur as a result of death in cellular processes or steps resulting in the death of a cells could be as a result of high temperature.

Therefore, The lowest temperature that would cause a red blood cell within the human body experience apoptosis is 338K.

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The mass of the sample of the material is 0.1664 g.

The amount of energy needed to raise the temperature of one gram of a substance by one degree Celsius.

By the formula of specific heat

[tex]Q = mc \Delta T[/tex]

Given, that the specific heat (c) of material is 0.416 J/gC

The difference in temperatures is 30°C to 50°C

The mass=?

Q = heat, 50 J

Putting the values in the equation

[tex]\rm 50\;J = m \times 0.416 J/g^\circ C \times (50 - 30)\\\\m = \dfrac{0.416 J/g^\circ C \times 20}{50} = 0.1664 g[/tex]

Thus, the mass of the samples is 0.166 g.

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