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2 years ago

Which best describes the role of a primary consumer in a food web? (3 points)

Chemistry

2 answers:

Orlov [11]2 years ago

6 0

Answer:

A; or carnivores that feed on producers

Explanation:

Brut [27]2 years ago

6 0

The right answer is A

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Equation balancing

meriva

Answer:

For a: The balanced equation is $2S(s)+3O_2(g)\rightarrow 2SO_3(g)$

For c: The balanced equation is $2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

Explanation:

A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.

For (a):

The given unbalanced equation follows:

$S(s)+O_2(g)\rightarrow SO_3(g)$

To balance the equation, we must balance the atoms by adding 2 infront of both $S(s)$ and $SO_3$ and 3 in front of $O_2$

For the balanced chemical equation:

$2S(s)+3O_2(g)\rightarrow 2SO_3(g)$

For (b):

The given balanced equation follows:

$2Al(s)+3Cl_2(g)\rightarrow 2AlCl_3(s)$

The given equation is already balanced.

For (c):

The given unbalanced equation follows:

$2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+H_2O(l)$

To balance the equation, we must balance the atoms by adding 2 infront of $H_2O(l)$

For the balanced chemical equation:

$2NaOH(s)+H_2SO_4(aq)\rightarrow Na_2SO_4(aq)+2H_2O(l)$

For (d):

The given balanced equation follows:

$C_3H_8(g)+5O_2(g)\rightarrow 3CO_2(g)+4H_2O(g)$

The given equation is already balanced.

4 0

3 years ago

An atom has 1 proton, 2 neutrons, and 1 electrons. What is the atomic number of the atom?

RideAnS [48]

Atomic number = No. of proton = 1

so, your answer is 1

8 0

3 years ago

Please help i dont have much time cause i have to give it in soon :,)

Hitman42 [59]

Answer:

HBr + KOH = KBr + H2O

3 HF + Fe(OH)3 = FeF3 + 3 H2O

2 HCl + Ca(OH)2 = CaCl2 + 2 H2O

Explanation:

7 0

1 year ago

The Millikan oil-drop experiment, which was the first experiment to measure the charge of the electron, compared the electrical

Liono4ka [1.6K]

Answer:

True

Explanation:

The oil drop experiment was carried out by Robert Millikan and Harvey Fletcher in 1909 to determine the charge of an electron. By balancing downward gravitation force with upward drag and electric force, they suspended small charged droplets of oil between two metal electrodes.

The charge over an oil droplet was often an integral value of e, was determined by changing the intensity of the electric field.

So, the given statement is true

3 0

2 years ago

Decide what the best solution would be if you reach your lab table and find a broken beaker with liquid spilling out.

Alona [7]

Answer:

imo, clean up the mess first! obv!

then you can tell anyone ✌️

6 0

3 years ago