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3 years ago

The symbol Ag stands for which element?

Chemistry

2 answers:

Sergeeva-Olga [200]3 years ago

5 0

Answer:

Silver

Explanation:

I remember this because Ag can mean "Ain't Gold"

Ksivusya [100]3 years ago

5 0

Answer:

The symbol Ag stands for Silver.

Explanation:

It has got its symbol from its Latin word Argentum

Element is represented by symbol since about 118 elements are known to us.

Some elements takes its first letter as its symbol for example

Hydrogen H

Oxygen O

Nitrogen N

Phosphorus P

Sulfur S

Fluorine F

Some elements takes the first and the second letter as its symbol for example

Calcium Ca

Beryllium Be

Lithium Li

Argon Ar

Radium Ra

Bromine Br

Cobalt Co

Nickel Ni

Some element have the first letter and one of the letter from the name of the element for example

Chlorine Cl

Zinc Zn

Magnesium Mg

Manganese Mn

Astatine At

Chromium Cr

Some elements takes its symbol from its Latin word for example

Silver Ag The latin word is Argentum

Gold Au The Latin word is Aurum

Sodium Na The latin word is Natrium

Copper Cu The latin word is Cuprum

Iron Fe The latin word is Ferrum

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3690 J of heat are added to a 21.5 g sample

Fiesta28 [93]

Answer:

693K

Explanation:

The enthalpy change in the iron is 3690J

We now apply the formula for enthalpy change which is ΔH=mC∅ where ∅ is the temperature change, m the mass of the substance, and C the specific heat capacity for the substance.

ΔH in this case is 3690J.

Therefore 3690J=21.5g×0.449J/g.K×∅

as we are looking for ∅, we make it the subject of the formula.

∅=3690J/(21.5g×0.44J/g)

∅=390

Temperature=30°C +390

=420°+273

=693K

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3 years ago

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Dahasolnce [82]

Answer:

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3 years ago

What is the maximum vertical distance between the line y = x 2 and the parabola y = x2 for −1 ≤ x ≤ 2?

Mrac [35]

x2=x+2 at x=−1 and x=2 so we have no need to worry about the end-points

f(x)=x+2−x^2

df/dx=1–2x

and that is zero (indicating a maximum) at x=1/2

So the maximum distance is f(1/2)=2.5–0.25=2.25

learn more about maximum distance between curves here:

brainly.com/question/1603866

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2 years ago

Chemical energy comes from... 1. chemical change 2. physical change

solmaris [256]

Answer:

Explanation:

Physical change does not cause chemical energy.

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K forms the compound K₂O, which is an ionic compound that is brittle. Identify another element, M, that is likely to form a brit

Lena [83]

Answer:

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Explanation:

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3 years ago

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