3 years ago

Which of the following choices is not evidence supporting the theory of plate tectonics?

Chemistry

1 answer:

MrRa [10]3 years ago

6 0

Answer:

Explanation:

You might be interested in

Can someone help me with chemistry

Komok [63]

Answer:

The resulting pH will be greater than 7 because potassium hydroxide is less concentrated than the hydrochloric acid.

Explanation:

hope this helped!

3 0

2 years ago

How does a longshore current change the beach

Shtirlitz [24]

Answer:

As this sheet of water moves on and off the beach, it can “capture” and transport beach sediment back out to sea. This process, known as “longshore drift,” can cause significant beach erosion.

3 0

3 years ago

I AM GIVING AWAY 80 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

dangina [55]

Answer:

thank you so much!!!!!!!!!!!!

6 0

2 years ago

Read 2 more answers

-1.42, 3, 32.5%, √4, 2³, −0.375, 3/8 as a decimal least to greatest

nignag [31]

Answer:

-1.42, -0.375, 32.5% (.325), 3/8 (.375), √4 (2.0), 3 (3.0), 2³ (8.0)

8 0

11 months ago

When 2.3 × 10^3 g of CaCO3 are heated, the actual yield of CaO is 1.09 × 10^3g. What is

iren [92.7K]

The percent yield : 4. 84.58%

<h3>Further explanation</h3>

Reaction

CaCO₃ ⇄ CaO+CO₂

mass CaCO₃ = 2.3 × 10³ g

mol CaCO₃ (MW=100.0869 g/mol) :

$\tt mol=\dfrac{mass}{MW}\\\\mol=\dfrac{2.3\times 10^3}{100,0869}\\\\mol=22.98$

From the equation, mol CaCO₃ : CaO = 1 : 1, so mol CaO=22.98

mass CaO(MW=56.0774 g/mol)⇒ (theoretical) :

$\tt mass=mol\times MW\\\\mass=22.98\times 56,0774\\\\mass=1288.659~g$

The percent yield :

$\tt \%yield=\dfrac{actual}{theoretical}\times 100\%\\\\\%yield=\dfrac{1090}{1288.659}\times 100\%\\\\\5yield=84.58\%$

5 0

2 years ago