CHEMISTRY HIGH SCHOOL

Which of the following is a producer? A.a crow that consumes a dead animal on the side of a road

B.a fish that eats smaller fish for its food

C.a giraffe that eats the leaves of trees

D.a plant that has insect larvae feeding on its roots

Answers

Answer 1
Answer: D. a plant that has insect larvae feeding on its roots. 

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This is an interaction in which two waves meet, matching crest to crest and trough to trough. The resultant wave will have an amplitude of the sum of the two.

Answers

I'm Osei George the answer is interference

Answer:deferehug

Explanation:

What is the mass of 3.0 x 10^23 atoms of neon

Answers

The mass of 3.0 x 10^23 atoms of neon would be 10.09 g

According to Avogadro;

1 mole of neon would have 6.022 x 10^23 atoms

3.0 x 10^23 atoms of neon would have:

            3.0 x 10^23/6.022 x 10^23

                                         = 0.5 moles

mass of 0.5 moles neon = mole x molar mass

                                            = 0.5 x 20.18

                                             = 10.09 g

More on Avogadro number can be found here: brainly.com/question/1445383?referrer=searchResults

Answer: The mass of neon for the given number of atoms will be 9.8 g.

Explanation:

We are given:

Number of neon atoms = 3.0* 10^(23)

According to the mole concept:

6.022* 10^(23) number of atoms. are occupied in 1 mole of a substance.

So, 3.0* 10^(23) will be occupied in = (1)/(6.022* 10^(23))* 3.0* 10^(23)=0.49moles

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

Moles of Neon = 0.49 moles

Molar mass of neon = 20 g/mol

Putting values in above equation, we get:

0.49mol=\frac{\text{Mass of neon}}{20g/mol}\n\n\text{Mass of neon}=9.8g

Hence, the mass of neon for the given number of atoms will be 0.49g.

Which equation represents a decomposition reaction?(1) CaCO3(s) ==>CaO(s) + CO2(g)
(2) Cu(s) + 2AgNO3(aq) ==>2Ag(s) + Cu(NO3)2(aq)
(3) 2H2(g) + O2(g) ==>2H2O(l)
(4) KOH(aq) + HCl(aq) ==>KCl(aq) + H2O(l)

Answers

Answer : The correct option is, (1)

Explanation :

The option (1) reaction is an example of decomposition reaction because in this reaction the larger compound, calcium carbonate decomposes into smaller molecule, calcium oxide and carbon dioxide.

Decomposition reaction : It is a type of reaction in which a larger compound decomposes into a smaller molecule or elements.

AB\rightarrow A+B

The option (2) reaction is an example of single displacement reaction because in this reaction the most reactive metal, copper displace the less reaction metal, silver.

The option (3) reaction is an example of combination reaction because in this reaction two reactants, hydrogen and oxygen react to give a single product as water.

The option (4) reaction is an example of double displacement reaction because in this reaction a positive cation and a negative anion of two reactants exchange their places to give two new products.

Hence, the correct option is, (1)
Answer (1 )

CaCO3(s) ==>CaO(s) + CO2(g)

hope this helps!.

Magma from Earth's interior oozes from the cracks at mid-ocean ridges.
a. True
b. False

Answers

The answer is A. True

Magma from Earth's interior oozes from the cracks at mid-ocean ridges.

true is the right one

Which of the following elements would be considered a nonmetal?fluorine (#9)
silicon (#14)
cobalt (#27)
sodium (#11)

Answers

The element among the list that is not a metal there is the element fluorine.

What is a nonmetal?

A nonmetal is an element that occur towards the right hand side of the periodic table and does not have the general properties that are attributed to metals such as the ability to react with acids.

The element among the list that is not a metal there is the element fluorine.

Learn more about metals: brainly.com/question/2273750

,#SPJ2
fluorine (#9) is a nonmetal

What is the next atomic orbital in the series below? 1s, 2s, 2p, ___ a. 2d
b. 3d
c. 3s
d. 2f

Answers

3s is the answer to this question
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