calculate the molar mass for BaSO4 ​

Answer:

No.

Explanation:

Photosynthesis is the light dependent process which must occur for the plant to live. This process also requires water and carbon dioxide. If photosynthesis does not occur, the plant will die.

If plants do not receive enough water from the water cycle, photosynthesis can be affected, and in severe cases, it may not take place at all.

Photosynthesis requires water as one of its essential inputs, as it is used in the process of creating glucose and oxygen from carbon dioxide and light energy. Therefore, if plants do not receive enough water from the water cycle, photosynthesis can be impacted, and in severe cases, it may not take place at all.

Water is not only a raw material in photosynthesis, but it is also necessary for the regulation of plant cells' internal pressure, which is essential for maintaining their shape and structure. Without enough water, the cells' internal pressure decreases, causing them to shrink and lose their rigidity. This process is known as wilting.

Hence, water is essential for plant growth and photosynthesis, and if plants do not receive enough water from the water cycle, it can lead to wilting, stunted growth, and a reduction in photosynthesis.

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Answer:

water is not a solid and a rock is a solid

Answer:

3 C

4 B

5 A

,...............?.

Answer:

Chemical

Explanation:

it is a chemical weathering because it is eating away at the rock instead of actively eroding the rock.

Answer:

0.20 M

Explanation:

Molarity is the concentration of a solute (MgCl2) in our solution (water). Molarity tells us how many moles of a substance is per Liter. So to figure out Molarity we'll break it down to this formula: Molarity = [tex]\frac{moles}{Liter}[/tex].

We can get moles by converting it from grams -> moles by using the molar mass, which is measured in grams/mol, that is our stepping stone to moles.

The molar mass is the sum of all the substances in the compound, so you'll need to refer to the periodic table.

Molar mass: (24g Mg) + ( 2 x 35g Cl)= 94g

Moles of MgCl2: 45.7g MgCl2 x [tex]\frac{1 mol}{94g MgCl2}[/tex] = 0.49 mol MgCl2

1 kg of water = 1 L so we don't have to convert anything, we can just use 2.40 L.

Molarity of MgCl2: [tex]\frac{0.49 mol MgCl2}{2.40 L}[/tex] = 0.20M

Answer: Photosynthesis requires sunlight, carbon dioxide, and water as starting reactants (Figure 5.5). After the process is complete, photosynthesis releases oxygen and produces carbohydrate molecules, most commonly glucose. These sugar molecules contain the energy that living things need to survive.

Explanation:

Answer:

Option C, an elongated ridge designed by engineers that runs parallel to a stream channel

Explanation:

A natural or artificial levee is basically a ridge constructed along a river bank to regulate the water level in the stream.

It run along the river embankment and hence can be said that it runs parallel to the river length

Hence, option C is correct

Answer:

A

Explanation:

Got a calculation of 8.05297

Answer:

C. 3.6 m/s

Explanation:

I just took a test on a-pe-x and it was correct! :)

Answer:

The number of people in that specific area.

Explanation:

Answer:

Energy must be provided

Explanation:

Chemical bonds are initially stable, energy is required to break them apart.

Answer:

here :). hope this helps.

Answer: Hello, There your Answer is Below.

A. Eugene was a little colder than Portland because Eugene is a little closer to the coast.

Explanation:

Hope this Helps you!!

Have a great day!!!

Answer:

b

Explanation:

gitcy is good for your spleen

The other relationship that will have a similar graph is volume versus temperature, because they are also directly proportional according to Charles's Law.

Charles's Law is a gas law that states that the volume of a fixed mass of gas at a constant pressure is directly proportional to its absolute temperature.

This means that as the temperature of a gas increases, the volume of the gas will also increase proportionally, and as the temperature of a gas decreases, the volume of the gas will decrease proportionally.

Therefore, if a graph of gas pressure versus the number of particles in a container is a straight line, a graph of volume versus temperature will have a similar shape and be directly proportional, because they are both affected by changes in temperature.

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Answer:

Neither of them have more particles than the other.

Explanation:

Neither of them have more particles than the other because;

1 mole of any substance usually contains 6.022 × 10^(23) atoms/molecules/particles of that very same substance.

Thus, it will be the same value for Gold (Au) and water(H2O).

Answer:

Explanation:

Heat and temperature are two different but closely related concepts. Note that they have different units: temperature typically has units of degrees Celsius ( ∘ C ^\circ\text C ∘Cdegrees, start text, C, end text) or Kelvin ( Kstart text, K, end text), and heat has units of energy, Joules ( Jstart text, J, end text).

Answer:

5.85 g C2H6O has more carbon

Explanation:

Weight of carbon in  4.71 g of C6H12O6

[tex]4.71 * 12.01\\56.5671\\[/tex] grams

Weight of carbon in  5.85 g of C2H6O

[tex]5.85 * 12.01\\70.259\\[/tex] grams

Hence, 5.85 g C2H6O has more carbon

Answer:

copper or steel

Explanation:

hope this helps

Answer:

Zinc blend is Zinc sulphide, ZnS.

ZnS is roasted in air producing ZnO and Sulphur dioxide.

ZnO is reduced to Zn by CO.

Further purification is done by electrolysis.

Answer:

Change Coefficients

Thank you

Answer:

there is nothing here

Explanation:

Answer:

a) C3H8 + 502 ----> 3CO2 + 4H20.

combustion reaction

b) HBr + KOH ----> KBr + H2O

Neutralization reaction

c)AlBr3 + 3 KCl----> 3 KBr + AlCl3

Redox reaction

Many of the elements on the periodic table will always form ions that have the same charge. The alkali metals (shown in yellow) always form +1 ions. The alkaline earth metals (red) always form +2 ions. The halogens (blue) always form -1 ions.

Answer:

the correct answer is 17

Explanation:

nso3=75/80 (80=Mr of so3)

n of o= 75x3/80

x of o= 75x3/80x6.02x10 powered by 23

then, the anwer is

[tex] {10}^{23} \times 16.93125[/tex]

sry if im wrong

There are approximately 1.204 x 10²⁴ oxygen atoms in 75 g of SO₃.

To calculate the number of oxygen atoms in 75 g of SO₃, we need to consider the molar mass of SO₃ and Avogadro's number.

The molar mass of SO₃ is calculated as follows:

Sulfur (S) = 32.07 g/mol

Oxygen (O) = 3 x 16.00 g/mol = 48.00 g/mol

Total molar mass of SO₍ = 32.07 g/mol + 48.00 g/mol = 80.07 g/mol

Next, we need to determine the number of moles of SO₃ in 75 g:

moles = mass / molar mass = 75 g / 80.07 g/mol ≈ 0.9369 mol

Since each molecule of SO₃ contains 3 oxygen atoms, we can calculate the number of oxygen atoms by multiplying the number of moles of SO₃ by Avogadro's number (6.022 x 10²³ atoms/mol) and then multiplying by 3:

Number of oxygen atoms = 0.9369 mol x 6.022 x 10²³ atoms/mol x 3 = 1.604 x 10²⁴ atoms

Therefore, there are approximately 1.204 x 10²⁴ oxygen atoms in 75 g of SO₃.

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Answer: The given reaction is a neutralization reaction.

Explanation:

When an acid chemically reacts with a base then it leads to the formation of salt and water.

For example, [tex]3KOH + H_{3}PO_{4} \rightarrow K_{3}PO_{4} + 3H_{2}O[/tex]

Here, KOH is a the base and [tex]H_{3}PO_{4}[/tex] is an acid which on chemical reaction with each other leads to the formation of salt [tex](K_{3}PO_{4})[/tex] and water [tex](H_{2}O)[/tex].

Thus, we can conclude that the given reaction is a neutralization reaction.

Answer:

sorry I dont speak Spanish

Answer:

Nepal aims to achieve universal access to clean, reliable and affordable renewable energy solutions by 2030. It is expected to reduce dependence on traditional and imported energy by increasing access to renewable energy. The use of solar energy is more reliable than traditional electricity in Nepal.

According to law of conservation of energy,solar energy is a renewable source of energy as it's heat can be converted to other forms of energy  and can be conserved and is being looked as an alternative in Nepal.

According to law of conservation of energy, it is evident that energy is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Julius Robert Mayer in the year 1842.

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Answer:

V = 0.0859dm³

Explanation:

Hydroiodic acid, HI, reacts with potassium, K, to produce potassium iodide, KI, and hydrogen, as follows:

2HI + 2K → 2KI + H₂(g)

To solve this question we have to find the moles of hydrogen produced knowing that 2 moles of K produce 1 mole of H₂. With the moles of hydrogen we can find the volume of hydrogen assuming there are STP conditions:

Moles K -Molar mass: 39.0983g/mol-

3g * (1mol / 39.0983g) = 0.0767 moles of K

Moles H₂:

0.0767 moles of K * (1mol H₂ / 2mol K) = 0.03836 moles H₂

Using: PV = nRT; V = nRT / P

Where V is volume in dm³,

n are moles of gas: 0.03836 moles,

R is gas constant = 0.082atm*dm³/molK

T is absolute temperature = 273.15K at STP

and P is pressure = 1atm

The volume of the gas is:

V = 0.03836mol*0.082atm*dm³/molK*273.15K / 1atm