write insoluble or soluble solution for the following mixtores
1
2
3
4
5
​

Answer:

The negatively charged particle that is released from the nucleus at high speeds is the beta particle.

Answer:

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.

Answer:

A periodic table is a table filled with chemical elements. They are organised by their atomic number and how many electrons each element contains

Answer:

study....................

Explanation:

1.Short sessions

2.Sleep well

3.Set goal

4Aim to learn as if you were to teach

Answer:

By definition, a molecule is a group of atoms bonded together. This means that it can be a mixture of two separate atoms (e.g. atom A and atom B bond together to make molecule AB). Molecules with two or more separate elements are called compounds.

Molecules can also be made of more than one atom of the same element (e.g. atom A bonds to another A atom to make molecule AA). This is not called a compound because they are not different elements.

Answer:

Ammonia is a toxic product of nitrogen metabolism which should be removed from our body.

The urea cycle or ornithine cycle converts excess ammonia into urea in the mitochondria of liver cells.

The urea forms, then enters the blood stream, is filtered by the kidneys and is ultimately excreted in the urine.

Answer:

Atomic Symbol: B

Atomic Number: 5

Element Category: Metalloid

Explanation:

Answer:why would i know

Explanation: sorry

Answer:

atoms as a source of nuclear energy.

noun: the atom

"the power of the atom

that which cannot be cut or indivisible

Answer:

D

the genes of the egg determine

Answer: a

Explanation:

Many bubbles formed after mixing.

The statement which best provides support for the fact that a chemical change has occurred is that many bubbles formed after mixing.

In a chemical change, new substances are formed and there is a recombination of the atoms in reactants as the products are being formed.

There are several cues that indicate that a chemical change has taken place such as;

In the particular instance in this question, when baking soda and vinegar were mixed together, a gas was evolved signifying that a chemical change has taken place.

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Answer:

These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.

Explanation:

Answer:

molten material, seafloor drilling, radiometric age dating and fossil ages, and the magnetic stripes

Explanation:

Answer:

221.5 g

Explanation:

if you want a step by step problem feel free to ask

UVB photons, with wavelengths between 270 nm and 300 nm, have energies in the range of 6.63 × 10⁻¹⁹ J - 7.37 × 10⁻¹⁹ J.

UVB rays have wavelengths (λ) between 270 nm and 300 nm. We can calculate the energy (E) associated with each wavelength using the Planck-Einstein's relation.

[tex]E = \frac{h \times c}{\lambda }[/tex]

where,

The energy associated with a wavelength of 270 nm is:

[tex]E = \frac{h \times c}{\lambda } = \frac{(6.63 \times 10^{-34}J.s ) \times (3.00 \times10^{8}m/s )}{270 \times 10^{-9}m } = 7.37 \times 10^{-19} J[/tex]

The energy associated with a wavelength of 300 nm is:

[tex]E = \frac{h \times c}{\lambda } = \frac{(6.63 \times 10^{-34}J.s ) \times (3.00 \times10^{8}m/s )}{300 \times 10^{-9}m } = 6.63 \times 10^{-19} J[/tex]

UVB photons, with wavelengths between 270 nm and 300 nm, have energies in the range of 6.63 × 10⁻¹⁹ J - 7.37 × 10⁻¹⁹ J.

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Answer: it is a solid at room temperature.

Explanation:

The ions of the two reactants are Na{+} and Br{-}, so the formula of the product is NaBr.  

and when the NaCl is a solid a room temperature. and when NaBr has similar properties to NaCl, so NaBr is a solid at room temperature too.

so our chemical formula for the product is NaBr and It's a solid at room temperature.

Answer:

gdfktfnfgh trhdfih tdjgd

Answer:

81.72 +0.73=82.45

Explanation:

1

81.72

+0.73

= 82.45

82.72 + 0.73 = 82.45

Explanation:

0.72+0.73 = 1.45

Therefore 81+1.45= 82.45 ( Integer in addition with a decimal number).

Answer:

a heterogenous mixture

Explanation:

a heterogenous mixture is a mixture that you can see the different things in it. A homogenous mixture is when you cant see the objects in the mixture

The total pressure in a mixture of gases is equal to the partial pressure of all the gases added together

According to Dalton's Law of Partial Pressure,  The total pressure exerted by a mixture of gases which are non reacting is equal to the sum of the partial pressure of each individual gas that make up the mixture

Mathematically, Ut can be written as

P{total}= p1+p2, ....+ pn

where p1, p2, …, pn are partial pressures of each gas component.

For example :A gaseous mixture consisting of Helium and Nitrogen gas . If the pressure exerted by He is 3 atm while Nitrogeb exerted is 9 atm. The total pressure will be:

P{total}= p1+p2, ....+ pn

P{total}= 3+9

P{total}= 12

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Answer:

2Fe2O3 + 3C → 4Fe + 3CO2

Explanation:

The balanced reaction of Ferric oxide with carbon to form Iron and Carbon dioxide can be written as follows:

[tex]2Fe_{2} O_{3} +3C\rightarrow4Fe+3CO_{2}[/tex]

The moles of iron produced is[tex]16.2*10^{-1}[/tex]

Balanced equation is the one where the number of atoms of each species is same on reactant and product side. In balanced equation mass can neither be created nor be destroyed.

The atoms of Oxygen on reactant side is 3 while on product side is 2 so multiply Ferric oxide by 3 and carbon dioxide by 3

so now our equation becomes

[tex]2Fe_{2} O_{3} +C\rightarrow Fe+3CO_{2}[/tex]

The number of Carbon atoms on left side is one while on right side it is 3 so multiply by 3

[tex]2Fe_{2} O_{3} +3C\rightarrow Fe+3CO_{2}[/tex]

The number of Iron atoms on left is 4 while on right it is 1 so multiply by 4

[tex]2Fe_{2} O_{3} +3C\rightarrow4Fe+3CO_{2}[/tex]

From 2 moles of Ferric oxide 4 moles of iron is produced

from 1 mole mole of ferric oxide 2 moles of Iron is produced

From [tex]8.1*10^{-1}[/tex] mole of ferric oxide 2×[tex]8.1*10^{-1}[/tex] moles of iron are produced.

Hence the balanced equation is

[tex]2Fe_{2} O_{3} +3C\rightarrow4Fe+3CO_{2}[/tex]

the number of mole of Iron is [tex]16.2*10^{-1}[/tex]

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Answer:

D.) powerful microscopes ....... telescopes are for space our eyes can't see atoms and hand lenses are not gonna do you any good

Answer:

normal volume of the stomach fluid is 20 to 100 mL and the pH is acidic (1.5 to 3.5).

Explanation:

Answer:

1. D

2. B

3. A

4. B

5. A

Explanation: just finished quick check

The equation is an example of beta-minus decay.

In a beta-minus decay, an electron is converted to a proton. When this happens, the atomic number of the daughter nucleus increases by one unit above the atomic number of the parent nucleus.

Looking at the equation, we can see that the atomic number of the daughter nucleus increased by one unit above that of the parent nucleus while the mass number of both the parent nucleus and daughter nucleus remained the same. Therefore, a beta-minus decay has taken place.

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Answer:

There are 4.59*10^-24 atoms in 15.00 of pure gold.

Explanation:

Molar mass of gold is 196.996g/mol

[tex]\frac{15}{196.966} =0.076 mol[/tex]

0.076*(6.022*10^-23)=4.59*10^-24

Answer:

4,9725*10⁻¹³[J].

Explanation:

all the details are in the attached picture, answer is marked with orange colour.

Answer:

protons: 6

neutrons: 8

electrons:6

Answer:

Abe chutiye, Question sahi se likh laude phle