1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Lera25 [3.4K]
2 years ago
6

5 Facts about Geology

Chemistry
1 answer:
Bingel [31]2 years ago
4 0
1-There are 18 volcanoes in the US with the potential to erupt again, all of them in Alaska, Hawaii and the West Coast states.

2-Rubies and sapphires are actually the same mineral - corundum. The basic chemical formula of corundum is Al2O3, but traces of iron stain the mineral red (ruby) while traces of chromium or titanium stain the mineral blue (sapphire).

3-Rubies, sapphires and emeralds are all more rare than diamonds.

4-Not all diamonds are transparent. They come in a variety of colors (called "fancies"), including yellow, green, blue, orange, brown ("champagne"), purple, grey, black (called carbanado, recently shown to be meteroic), milky white, pink, and red. Red is by far the rarest.

5-Antacids taste like chalk because they ARE chalk, a.k.a. calcium carbonate.


Hope this helps, Give a thanks ! Haha
You might be interested in
The heat of solution with calcium chloride is endothermic what will happen to the temperature of the container/flask when calciu
tino4ka555 [31]
Endothermic means it absorb energy from surrounding and its sign is positive so when it absorb this energy the flask or the container become colder 
6 0
2 years ago
Read 2 more answers
What is the law of conservation of energy? a. Energy is created and destroyed. b. Energy is not created but is destroyed. c. Ene
Lady bird [3.3K]

Answer:

Energy is neither created nor destroyed.

Explanation:

The law of conservation of energy states that energy can neither be created nor be destroyed. The total energy of an isolated system remains conserved. It never gets 0. It changes from one form of energy to other but never vanishes.

Hence, the correct option is (d) "Energy is neither created nor destroyed"

8 0
3 years ago
A(n) _____ is a compound that produces hydrogen ions when dissolved in water.
denis23 [38]
<span>An acid is a compound that produces hydrogen ions when dissolved in water. The pH of acid is less than 7 because it is rich in H+ concentration. Basic solutions have pH greater than 7 because it is rich in OH-. Neutral solutions meanwhile have pH equal to 7.</span>
6 0
3 years ago
Read 2 more answers
2. Calculate the pressure in Pa of a brick, which weighs 40 lbs (178N) sitting flat on the
Aloiza [94]

Answer:

P =  741.7 Pa

Explanation:

Pressure:

It is the force applied on object per unit area. The force is applied perpendicular to the surface.

Mathematical expression:

P = F/A

P = pressure

F = force

A = area

Given data:

Weight = 178 N

Area = 10 cm × 24 cm

Pressure = ?

Solution:

Area = 10 cm × 24 cm

Area = 240 cm²

Area = 240 /10000 = 0.024 m²

Formula:

P = F/A

P = 178 N / 0.024 m²

P = 741.7 Nm⁻²

Nm⁻² = Pa

P =  741.7 Pa

6 0
3 years ago
What's the charge on Ni in the compound NiCi3? *
ss7ja [257]

Answer:

+3

Explanation:

Chlorine is anion with a -1 charge. But they are three chlorine atoms.

-1 * 3 = -3

So they have a -3 charge.

So to balance the compound, the nickel has to be a cation with a +3 charge.

-3 + 3 = 0

Furthermore, a chemical bond always has a 0 charge. Remember that.

Hope it helped! Rate my answer a 5 star if correct.

8 0
2 years ago
Other questions:
  • What are the relative ion concentrations in an acid solution?
    12·1 answer
  • Calculate the standard enthalpy of formation of carbon disulfide (CS2) from it's elements, given that C(graphite) + O2(g) → CO2(
    9·1 answer
  • Using the graph below, at what depth does the thermocline begin?
    7·2 answers
  • What type of reaction is Mg + H2Cl2 — MgCl2 + H2?
    14·1 answer
  • The diagram below shows the movement of Earth plates.
    5·2 answers
  • Write the equilibrium constant: Pb3(PO4)2(s) = 3Pb2+ (aq) +<br> 2PO2 (aq)
    14·1 answer
  • Suppose you are shooting a basketball toward a hoop. As the ball rises in the air, its ---------------- energy increases and its
    10·2 answers
  • Do this and ill do one of your questions
    11·1 answer
  • I have to get this done fast
    6·1 answer
  • Is O2 in SO2 peroxide or not ?​ if it's not why ?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!