What is the opposite of ductile and malleable?

PLEASE HELP!!!! I NEED THIS TONIGHT!!!

Answers

Answer 1

Answer: ductility = brittleness
malleability = immalleability, rigidity

Answer 2

Answer: Opposite of malleable is rigidity and opposite of ductile is brittleness.

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a toothpick, pencil, and log are all the same type of wood. explain which would be most dense. answer

Answers

Explanation:

Density is defined as the mass of a substance present in per unit volume.

Mathematically, Density = $(mass)/(volume)$

As toothpick, pencil and log are all made up of same wood. So, this means that there will be same composition as amount of mass present in per unit volume will be the same.

Therefore, we can conclude that toothpick, pencil and log all of them will have same density.

They are all equally dense because they are made of the same material with the same molecular composition.

Which substance does the chemical formula C6H12O6 represent?simple sugar, water, table salt, or carbon dioxide

Please answer quick!!!

Answers

Simple sugar! Good luck! :)

It represents glucose. Glucose is the scientific name for sugar, therefore the answer is Simple sugar. The formula for water is H2O, the formula for carbon dioxide is CO2 and the formula for table salt is NaCL! Good luck on this assignment!

Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum?a.) X-Rays
b.) infrared
c.) radio
d.) gamma rays

Answers

Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum?
a.) X-Rays b.) infrared c.) radio d.) gamma rays

Answer:

The answer is radio waves

Explanation:

you need to make 1.5L of 1.0M HCl from a stock solution of 12.0M HCl. How many L of the stock solution do you need?

Answers

Answer:

125 ml of HCl

Explanation:

The molarity of the stock solution to determine how many milliliters would contain 1.5 moles of HCl. Since a concentration of 12.0 mol/L means that you get 12.0 moles of hydrochloric acid per liter of solution,

Concentration of required HCl (C1) = 1.0M

Volume of required HCL (V1) = 1500 ml

Concentration of stock HCl (C2) = 12M

Volume of stock HCL (V2) = ?

C1V1 = C2V2

V2 = C1V1/C2 = 1*1500/12 = 125 ml

Which substance cannot be decomposed by a chemical change? 1. HI
2. AlCl3
3. H2O
4. Cu

Answers

Final answer:

Among the substances listed, copper (Cu) is the one that can't be decomposed by a chemical change. This is because it is an element, composed of a single type of atom, and does not break down further in a chemical reaction.

Explanation:

The substance that cannot be decomposed by a chemical change among the given options is Cu, which stands for copper. In the context of chemistry, substances that cannot be decomposed into simpler substances by chemical means are called elements. Copper, denoted by the symbol Cu, is one such element. Unlike compounds such as HI, AlCl3, and H2O, elements like copper are composed of a single type of atom and therefore cannot be broken down further through chemical reactions.

Learn more about Chemical Decomposition here:

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Final answer:

The substance that cannot be decomposed by a chemical change is Cu (Copper) because it is an element and cannot be broken down into simpler substances through chemical changes.

Explanation:

The substance among the options provided that cannot be decomposed by a chemical change is Cu or Copper. This is because Copper is an element, and elements are substances made up of only one type of atom. They cannot be broken down into simpler substances by chemical reactions. On the other hand, HI (Hydroiodic acid), AlCl3 (Aluminum chloride), and H2O (Water) are all compounds, which consist of two or more elements chemically combined in a fixed ratio. These can be decomposed into their constituent elements through various chemical reactions.