If you have a small mineral sample, why might testing for cleavage be one of the last things you do?

Answers

Answer 1

Answer: If you place one drop of cold hydrochloric acid on calcite the entire drop of acid willerupt with bubbles and a vigorous fizz will last for a few seconds. ... For example, magnesite has a very weak reaction with cold HCl. ... These rocks might contain smallveins or crystals of carbonate minerals that produce a fizz in contact

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Which label belongs in the region marked X?Chang makes the diagram below to compare Gay-Lussac's
law and Charles's law.
Gay-Lussac's Law Charles's Law
O involves changes in temperature
O has a constant volume
O shows an inversely proportional relationship
O does not involve pressure changes

Answers

Answer:

A) involves changes in temperature

Explanation:

The figure is missing, but I assume that the region marked X represents the region in common between Gay-Lussac's law and Charle's Law.

Gay-Lussac's law states that:

"For an ideal gas kept at constant volume, the pressure of the gas is directly proportional to its absolute temperature"

Mathematically, it can be written as

$p\propto T$

where p is the pressure of the gas and T its absolute temperature.

Charle's Law states that:

"For an ideal gas kept at constant pressure, the volume of the gas is directly proportional to its absolute temperature"

Mathematically, it can be written as

$V\propto T$

where V is the volume of the gas and T its absolute temperature.

By looking at the two descriptions of the law, we see immediately that the property that they have in common is

A) involves changes in temperature

Since the temperature is NOT kept constant in the two laws.

Combine the words volume and meniscus in one sentence.PLEASE HELP... need within 20 min.

THANKS!!!

Answers

To measure volume, measure the lowest part of the meniscus

if a gas occupies at 5.40 L at a pressure of 1.25atm, what will be its volume at a pressure of 3.00 atm? (Show work)

Answers

Answer:

Explanation:

Givens

P = 1.25 atm

V = 5.4 L

P1 = 3 atm

V1 = ??

Formula

The basic formula is P*V = P1 * V1

Solution

1.25 * 5.4 = 3 * V1

6.75 = 3*V1

6.75 /3 = 3*V1/3

2.25 = V1

What powers the lights of the vampire squid ?
A.The sun
B.Bacteria
C.Phosphorous

Answers

The vampire squid is almost entirely covered in light-producing organs called photophores, capable of producing disorienting flashes of light ranging in duration from fractions of a second to several minutes.

Which reaction is endothermic

Answers

The second one is endothermic as endothermic reactions require energy for the reaction to take place.

Answer: the second one

Explanation: i got it right on edg2020

Answers please, I will give brainliest

Answers

Bellow you may find the names and structure of the poliatomic ions.

Explanation:

sulfate SO₄²⁻

nitrate NO₃⁻

perphosphate PO₅²⁻

hypoiodite IO⁻

chlorite ClO₂⁻

phosphite PO₃³⁻

percarbonate H₃CO₆²⁻

bromate BrO₃⁻

hyposulfite SO₂²⁻

permanganate MnO₄⁻

carbonite CO₂²⁻

CO₃²⁻ carbonate

MnO₃⁻ manganate

SO₅²⁻ persulfate

BrO₂¹⁻ bromite

CO₄²⁻ percarbonate

PO₅³⁻ perphosphate

ClO¹⁻ hypochlorite

IO₂¹⁻ iodate

PO₄³⁻ phosphate

NO₂¹⁻ nitrite

SO₄²⁻ sulfate

Learn more about:

polyatomic ions

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