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Well, sugar, spice, and everything nice might make for a cute rhyme, but hard substances are more like diamonds, steel, and rock. Basically, if you can't squish it between your fingers like Play-Doh, it's probably a hard substance. So, put away the marshmallows and get ready to hit some hard truths about materials that don't mess around.
What else can I help you with?
Because change the identity of the substances involved they are hard to reverse?
Chemical changes are hard to reverse because they involve the formation of new substances with different chemical properties than the original substances. This typically requires energy input or a specific reaction pathway to revert back to the original substances, making the process difficult to reverse.
Is hard water or soft water a greater solvent?
Hard water is generally a weaker solvent compared to soft water. This is because hard water contains minerals like calcium and magnesium, which can reduce its ability to dissolve other substances effectively. Soft water, on the other hand, lacks these minerals and is better at dissolving substances, making it a more efficient solvent.
Are borax crystals hard?
No because you can scratch it with your own fingernail..
What are 5 substances and 5 mixtures?
This is a very hard question! Does anybody else know?
What substances can remove permanent markers?
Substances like rubbing alcohol, acetone-based nail polish remover, and white vinegar can dissolve the pigments in permanent markers and help remove them from surfaces like skin, fabrics, or hard surfaces. It's important to spot test on a small inconspicuous area before using these substances to ensure they do not damage the surface.
Because change the identity of the substances involved they are hard to reverse?
Chemical changes are hard to reverse because they involve the formation of new substances with different chemical properties than the original substances. This typically requires energy input or a specific reaction pathway to revert back to the original substances, making the process difficult to reverse.
Is there a difference in how soft water and hard water dissolves substances?
yes
Any impenetrably or unyielding hard substance?
Diamond is one of the hardest substances known, with a rating of 10 on the Mohs scale of mineral hardness. Other examples of hard substances include tungsten carbide and silicon carbide.
Will one Vicodin show up on a drug test?
Not atall, only hard substances
What does a high boiling temperature indicate about a substances?
intermolecular forces are hard to overcome...apex
What is the substances in a styling gel that makes your hair hard?
It varies but is usually a modified cellulose polymer.
Is outer planets made of heavier material than a inner planet?
No because the inner planets are made of rocky and hard substances and the outer planets are made of gassy lighter substances.
Which species of animals gnaw at hard substances to wear down its front teeth that never stops growing?
rodents
How do you clean blue tack off paint?
srub it hard it has relly hard to taket of
What minerals are in hard and soft water?
Hard water contain calcium bicarbonate, magnesium bicarbonate in temporary hard water and calcium/magnesium sulfate in permanent hard water. Soft water contain doesn't contain these substances or only in very limited concentations.
What is an eschar?
Burned tissue or tissue exposed to corrosive substances tends to form a hard black crust, called an eschar
What substances keep their physical properties when mixed in water?
sand because when u see in microscope its a little hard shells
