Considering qualitative and quantitative observations, qualitative observations uses numbers and symbols.

True or false?

Answer: group 7

Explanation:

Answer:

4chlorine;12thousand ;17zinc;2grams;three 8carbon;15aluminium

Answer:

A saturated solution is a solution that contains the maximum amount of solute that is capable of being dissolved. At 20°C, the maximum amount of NaCl that will dissolve in 100. g of water is 36.0 g. If any more NaCl is added past that point, it will not dissolve because the solution is saturated.

Answer:

The number of valence electrons increases from left to right.

Explanation: The number of valence electrons increases going across a period, or row in the periodic table, for example, group 1 elements have 1 valence electrons and group 2 elements have have 2.

Answer:

Neon and helium

Explanation:

Answer:

I believe your answer is B.) I hope this helps.

Answer:

Using a hypothesis to sell a new product.

Answer:

591.471 MILLIMETERS

Explanation:

Formula  

for an approximate result, multiply the volume value by 29.574

29.574*20=591.471

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Miss Hawaii ; )

Answer:

This symbol indicates that hazardous products with this pictogram are gases that are contained in a receptacle under pressure, or which are liquefied or liquefied and refrigerated. The hazards presented by these products are related to the high pressure or cold temperatures.

Hazardous products with this pictogram can be safely worked with if proper storage and handling practices are followed.

Credited to https://www.ccohs.ca/oshanswers/chemicals/howto/gas_cylinder.html#:~:text=The%20symbol%20within%20the%20pictogram%20is%20a%20gas,related%20to%20the%20high%20pressure%20or%20cold%20temperatures.

HAve a great day!

The main precaution to take if a gas cylinder sign is present in the lab is Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

A gas cylinder is indeed a pressure vessel used to store and confine gases at pressures higher than atmospheric pressure. Bottles are another name for high-pressure gas cylinders.

Based on the physical properties of the contents, the held contents may be compressed gas, vapour over liquid, working fluid, as well as dissolved in a substratum inside the cylinder.  The main precaution to take if a gas cylinder sign is present in the lab is Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

Therefore, the precaution is to Check sure the gas cylinder remains constrained visually, but remain a good distance from it.

To know more about gas cylinder, here:

https://brainly.com/question/17426723

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Answer:

false, true and i dk what the other answer choices are for the 3rd questions

Explanation:

Answer:

c.

Explanation:

They can have different neutron numbers, not proton numbers. If they were to have different proton numbers it would be classified as a different element.

Answer:

An object's thermal energy is dependent upon its temperature and mass. The higher the temperature of a given quantity of a substance, more is its thermal energy. Similarly, for the same temperature, higher mass of a substance will contain more thermal energy

Answer:

Nope im cool to sleep right now

Explanation:

Answer:

Potassium Hydroxide Solution =

or

Potassium Hydroxide =

Since we know the products and one of the reactions, we can work backward to discover what the other reactant may be.

As it is in the question, we can map the reactants and product:

Reactants                   Product

Ammonium                 Ammonia

Sulfate                         Sulfate

________                   Potassium

________                    Water

Since the reaction will yield Potassium and water, the likely reactant is Potassium Hydroxide (KOH). This is because we know that Ammonium lost a Hydrogen atom that could combine with the Hydroxide radical to form water.

This becomes clear when we consider the net ionic equation:

Ammonium sulphate + Potassium Hydroxide → potassium sulfate + ammonia + water

if we write this a balanced chemical equation:

(NH₄)₂SO₄   +  2KOH  →  K₂SO₄ + 2NH₃ + 2H₂O

if we write the reaction as an ionic equation

2NH₄⁺ + SO₄⁻ + 2K⁺ + 2OH⁻ → 2K⁺ + SO₄⁻ + 2NH₃ + 2H₂O

if we remove the ions that appear on both the reactant and product side (spectator ions)

Answer:

4 liters brainliest Idc rn

Explanation:

jk but enjoy kiddos :(

Answer:

4 liters

Explanation:

In order to get the answer you just need to multiply the volume amount by 100.

[tex]0.01 \times 100 = 1[/tex]

0.01HL = 1 L

0.01 4HL = 4L

= 4 liters

Hope this helps.

Answer:

can oxygen exist as a liquid and solid

Answer:

cholesterol(lipid)

Explanation:

Ribosomes are called PROTEIN FACTORY

Ribosomes are involved in protein synthesis

Any metabolite or substance protein in nature can be synthesized on ribosomes

Since they are protein in nature hence can be synthesized on ribosome.

WRONG OPTIONS:

CHOLESTEROL IS LIPID IN NATURE

LIPIDS ARE NOT proteins and cannot be SYNTHESIZED ON RIBOSOME

LIVER DOES THIS FUNTION OF CHLESTEROL SYNTHESIS.

Answer: protons and electrons.

Explanation:

Answer:

bonds within the nucleus of reactants atoms are broken and rearranged to form new product atoms

Answer:

what is this?

Explanation:

write your question

Answer:

sup brö how is it back home?

Explanation:

just curious you know

Answer:

Chemical bonds form when the valence electrons of one atom interact with the valence electrons of another atom

Answer:

A : 1,923 m/s

Explanation:

= 500/0.26

= 1,923

Sulfuric acid reacts violently with alcohol and water to release heat. It reacts with most metals, particularly when diluted with water, to form flammable hydrogen gas, which may create an explosion hazard. ... Hazardous decomposition products are as follows: sulfur dioxide, sulfur trioxide, and sulfuric acid fumes.

it acts violently with water or alcohol to release some heat, it does react to most metals, mostly when diluted with water to form flammable hydrogen gases, which may create an explosion hazard.

(i tried to make the g00gle answer less complicated) :)

Answer:

The answer is unsaturated

Answer:

supersaturated

Explanation:

Answer:

The atomic number of the element Radium (Ra) is 88. It is an alkaline earth metal. Electronic configuration of Radium (Ra) will be [Rn]7s^{2}[Rn]7s

2

It belongs to the group IIA of the periodic table. Alkaline earth metals that belong to the group IIA of the periodic table lose the valence electrons to form a +2 ion.

Therefore, Radium with an electronic configuration of [Rn]7s^{2}[Rn]7s

2

will lose the two 7s electrons to form the cation with +2 charge.