What is the speed of light of an orange light with a wavelength of 600nm and a frequency of 5.00x1014?

Answer:

A) They are both solid.

Answer:

Energy can neither be created not be destroyed

Mass too can neither be created nor be destroyed

Both of them remain conserved during any chemical or physical reaction

Some part of them gets transformed to undesired useless form

Hence law of conservation of mass should better be called the law of conservation of mass and energy

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Answer:

b shale

Explanation:

Answer:

Number of protons = 16

Number of neutrons = 16

Number of electrons = 18

Explanation:

The atom given is (32,16)S_2.

This simply Sulphur atom.

What (32,16)S_2 implies is that;

Atomic number = 16

Mass number = 32

Now atomic number means number of protons present in the atom

While mass number means number of sum of protons and neutrons present in the atom

Thus;

Number of protons = 16

Number of neutrons = 32 - 16 = 16

Now, for a neutral atom, number of protons is equal to number of electrons.

However, in this case it's not neutral but has a charge of -2.

Thus,

Number of electrons = 16 + 2 = 18 electrons

Answer:

The answer is A

Explanation:

Because I used the elimination rule none of the other ones could be an answer.

When a total of 12g of carbon dioxide and water react in photosynthesis would produce 12 grams (g) of glucose and oxygen. Therefore, option (A) is correct.

Photosynthesis can be described as the process that takes place in plants through photosynthetic pigments such as chlorophyll. All green plants have a photosynthesis process to produce glucose by using water, carbon dioxide, and sunlight. The side product of this process in plants is oxygen.

The photosynthesis process is also utilized by algae to change solar energy into chemical energy. Photosynthesis takes place when plants utilize sunlight to change carbon dioxide and water into glucose and oxygen.

The Chemical equation of photosynthesis in plants is:

6CO₂  + 6 H₂O  →   C₆H₁₂O₆ +  6O₂

For a balanced chemical reaction, the total mass of the reactant is equal to the total mass of the products, so if the 12 g of carbon dioxide and water react with each other then 12 g of glucose and oxygen will be produced.

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Answer:

please mark me brainliest :D

Explanation:

Knowing the mass and volume of an object allows the calculation of its density. Density is defined as the mass divided by the volume of the object. The general physical law relating to floating objects is known as Archimedes' Principle.

The three most fundamental characteristics of an object are mass, volume, and density. Volume indicates something's size, mass indicates how heavy it is, and density is calculated as mass divided by volume.

Mass divided by volume is how density is calculated. It is clear that the relationship between density and volume is inverse. This implies that the density will decrease if the mass of a body remains constant while its volume rises. In contrast, if the volume decreases, density will rise while the mass stays the same.

If the mass or volume of an object is altered, the density of the thing may also change. Water, for example, has a specific density.

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Answer:

1 × 10²⁴ atoms O

General Formulas and Concepts:

Chemistry - Atomic Structure

Explanation:

Step 1: Define

30 g O

Step 2: Identify Conversions

Avogadro's Number

Molar Mass of O - 16.00 g/mol

Step 3: Convert

[tex]30 \ g \ O(\frac{1 \ mol \ O}{16.00 \ g \ O} )(\frac{6.022 \cdot 10^{23} \ atoms \ O}{1 \ mol \ O} )[/tex] = 1.12913 × 10²⁴ atoms O

Step 4: Check

We are given 1 sig fig. Follow sig fig rules and round.

1.12913 × 10²⁴ atoms O ≈ 1 × 10²⁴ atoms O

Answer:

Each carbon atom is covalently bonded to 4 other carbon atoms in diamond. A large amount of energy is required to split these atoms apart. This is because of the fact that covalent bonds are strong.

In diamond 4 carbon atoms are strongly bonded with covalent bond and they form giant covalent structure which requires large amount of energy to break down, that’s why diamond has a high melting point. It does not conduct electricity.

Answer:

A There are the same number of atoms of oxygen and hydrogen in the reactants as there are in the products.

Explanation:

Matter is conserved in a chemical equation if there are no loss of atoms. That means, total number of atoms of elements must be the same as the total number of element on the product side. The correct option is;

A. There are the same number of atoms of oxygen and hydrogen in the reactants as there are in the products.

Answer:

its A. i just did dat

The elements are placed in groups and periods on the contemporary periodic table, according to this definition. The elements are organized in the current periodic table in order of increasing atomic number. This periodic table has 7 periods and 18 groupings. Horizontal rows form the arrangement of the periods.

Chemistry is the branch of science that examines the characteristics, make-up, and structure of substances (specified as elements and compounds), as well as the changes they go through and the energy released or absorbed. Every substance, whether created through natural processes or through man made means, is made up of one or more of the roughly a hundred types of atoms that have been classified as elements.

According to the question, groups are :

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The units for the mass of aluminium sulphide is g/mol.

Aluminium sulphide is a chemical compound with the formula Al2S3 and has the mass of 150.158 g/mol.

A unit is a standard that are used for making comparisons in measurements.

Unit conversions allow for measurements of a property that have been recorded using different units like centimetres to inches.

Hence, the units for the mass of aluminium sulphide is g/mol.

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Answer:

Potassium (K)

Explanation:

The element with oxidation number of +1 is potassium.

Every element in the first group on the periodic table has an oxidation number of +1.

Answer:

Answer is c....115°C

Explanation:

Gay-Lussacs law says that pressure of a gas is the same as temperature when the volume is kept the same

P / T = k

where P - pressure , T - temperature in kelvin and k - constant

parameters for the first time are on the left side of the equation and parameters for the second instance are on the right side of the equation

T1 - 25 °C + 273 = 298 K

substiuting the values in the equation

T2 = 388 K

temperature in celcius - 388 K - 273 = 115 °C

Based on the calculations, the new temperature of this ideal gas at constant volume is equal to: C. 115°C.

Given the following data:

In order to calculate the new temperature of this ideal gas at constant volume, we would apply Gay Lussac's law.

Mathematically, Gay Lussac's law is given by this formula;

P α T

P = kT

Where:

Substituting the given parameters into the formula, we have;

[tex]\frac{P_1}{T_1} =\frac{P_2}{T_2} \\\\\frac{0.96}{298} =\frac{1.25}{T_2} \\\\0.96T_2 =372.5[/tex]

T₂ = 372.5/0.96

New temperature = 388.0 K.

Conversion:

°C = K - 273

°C = 388.0 - 273

New temperature = 115°C.

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Explanation:

solution 1) homogeneous

2) do not scatter light

3) cannot be separated by filtration

Colloids 1) heterogeneous

2) scatter light

3) cannot be separated by filtration

suspension 1) heterogeneous

2) may either scatter light or be opaque

3) can be separated by filtration

Answer:

Explanation:

b

The second answer option shows a metal element.

We can arrive at this answer because:

Metals have one or two electrons in the valence layer, in which case, in the Lewis point diagram, metal would be represented with one or two points around the element symbol.

Among the answer options shown in the question above, the second option is the only one that represents a metal.

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Answer:

B. pure substance

Explanation:

A chemical reaction is the only way to separate a(n)  ✔ pure substance.

four

Explanation:

four significant figures in 0.4004 ml

Answer:

Explanation:

The work done by an object can be found by using the formula

workdone = force × distance

From the question we have

workdone = 8.5 × 10³ × 10

We have the final answer as

Hope this helps you

Answer:

Plastics are large organic molecules called polymers.

Explanation:

Plastics can be defined as materials that can be shaped when soft and then hardened to keep their shape. They are synthetic (artificially made) or semi-synthetic, derived from materials found in nature, such as natural gas, oil, coal, minerals, and plants.

As they are derived from natural, organic materials, plastics also consist of organic molecules. Their molecules are very large and long and consist of many repeating subunits. Materials with this type of structure are called polymers.

This is why the second option is the correct one.

Answer:

59.09%

Explanation:

13/22*100=59.09%

Explanation:

When methane is burnt with oxygen,like all hydrocarbons,it produces CO2 and H20.

CO2 is a greenhouse gas which means it leads to global warming.

Answer:

Carbon dioxide (CO2) is a product of the reaction of methane with oxygen.

Explanation:

Carbon dioxide is a known cause of climate change, which has a negative effect on the environment.

Answer:

Law of conservation of matter

Explanation:

"matter is neither created nor destroyed."

Answer:

I think that should help....

Answer:

Explanation:

Sup Wayne I need this answer too.

Answer: 0.22 L of H2 has been produced

Explanation:

Answer:

Uranium producess thorium and alpha particle

Explanation:

Perfume molecules are in constant random motion

When a person wearing perfume enters the room it takes several minute for a smell to reach at the back of the room because the perfume molecules are in constant random motion they bump into each other causing some molecules to be occasionally sent hurtling out of the mass   the perfume is sprayed in corner of a room, it will be smelt soon after in the opposite corner and also the process called as diffusion means it travel the area of high concentration to low concentration that's why perfume molecules are in constant random motion that's why it take several minutes to reach at the back of the room

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The density of the metal including absolute uncertainty is ρ = 0.48 g/cm³ ± 0.03 g/cm³

The density of the material is the mass/volume

Since the metal has

Its density = m/v where

ρ = m/lwh

ρ = 4.56 g/(1.54 cm × 6.24 cm × 1.00 cm)

ρ = 4.56 g/9.6096 cm³

ρ = 0.475 g/cm³

ρ = 0.48 g/cm³

To find the absolute uncertainty in density, we first find the relative uncertainty which is given by

Δρ/ρ = √[(Δm/m)² + (Δl/l)² + (Δh/h)² + (Δw/w)²] where

Substituting the values of the variables into the equation, we have

Δρ/ρ = √[(Δm/m)² + (Δl/l)² + (Δh/h)² + (Δw/w)²]

Δρ/ρ = √[(0.05 g/4.56 g)² + (0.05 cm/1.54 cm)² + (0.05 cm/6.24 cm)² + (0.05 cm/1.00 cm)²]

Δρ/ρ = √[(0.010965)² + (0.032468)² + (0.008013)² + (0.05)²]

Δρ/ρ = √[0.00012023 + 0.00105417 + 0.00006421 + 0.0025]

Δρ/ρ = √0.00373861

Δρ/ρ = ± 0.061

Δρ/ρ ≅ ±0.06

So, the absolute uncertainty in density, Δρ = Δρ/ρ × ρ

= ±0.06 × 0.48 g/cm³

= ± 0.029 g/cm³

≅ ± 0.03 g/cm³

So, the density of the metal including absolute uncertainty is ρ = 0.48 g/cm³ ± 0.03 g/cm³

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B is the limiting reactant in this equation.

The limiting reactant is the reactant that is present in the smallest amount in the system. The continuity of the reaction depends on the concentration of the limiting reactant.

It must also be said that the reactant that yields the least amount of product is the limiting reactant. We know that; A(g) + 5B(g) -----> 3C(g) + 4D(g).

We can see that;

1 mole of A gives 3 moles of C

5 moles of B gives 3 moles of C

1 mole of B gives 3/5 moles of C

Thus, B is the limiting reactant in this equation.

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Answer:

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 13.534 × 385

We have the final answer as

Hope this helps you

Answer:

33km due south

Explanation:

Morant Bay is 33km south of Port Antonio;

  Problem: displacement of Morant bay from Port Antonio;

Displacement is a vector quantity. It is the length of path between two position and the direction inclusive.

So, it has magnitude and must be specified with a direction.