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Ainat [17]
3 years ago
9

The combined actions of your brain , nervous system, muscles, joints and bones that allow you to do anything from holding a spoo

n to playing are called?
A. Athletic ability
B. Motor skills
C. Coordination
D. Balance
Chemistry
1 answer:
IceJOKER [234]3 years ago
7 0
The correct answer is B. Motor skills, I am 100% sure that is the right answer.
You might be interested in
Which of the following laboratory procedures best illustrates the law of conservation of mass?
fomenos

The  laboratory  procedure that best  illustrate the law of conservation  is

heating 100 g of CaCo3  to produce  56 g of CaO  (answer C)

<u><em>explanation</em></u>

According to the law  of mass conservation ,  the mass of the  reactant  must   be equal  to the mass  of the product.

 According  to  option c Heating  100 g CaCO3  to produces  56 g CaO  (  40 +16=56)

The remaining mass  = 100-56  =  44  which  would the mass of CO2  [  12 + (16 x2)]= 44   since  CaCO3  decomposes to produce CaO  and  CO2


Therefore  the  mass  of reactant=   100g

                       mass  of product =  56 g +44 g =100

Therefore the laboratory    procedure for  decomposition  of CaCO<em>3</em>  illustrate the law of mass  conservation since the mass of reactant = mass of product.

   


4 0
3 years ago
Read 2 more answers
C2H2 + 2H2 → C2H6<br> How many moles of hydrogen are needed to produce 13.78 mol of ethane?
Scilla [17]

Answer:

27.56 moles

Explanation:

8 0
3 years ago
Name the salt produced if sodium carbonate reacts with dilute nitric acid ? Write the equation.
Angelina_Jolie [31]

Answer:

2HNO3 +Na2CO3 → CO2 + H2O + 2NaNO3

5 0
3 years ago
A chemical reaction occurring in a cylinder equipped with a moveable piston produces 0.601 mol of a gaseous product. If the cyli
netineya [11]

Answer:

4.33 L

Explanation:

Assuming ideal behaviour and that all 0.300 moles of gas reacted, we can solve this problem using Avogadro's law, which states that at constant temperature and pressure:

  • V₁n₂ = V₂n₁

Where in this case:

  • V₁ = 2.16 L
  • n₂ = 0.601 mol
  • V₂ = ?
  • n₁ = 0.300 mol

We <u>input the given data</u>:

  • 2.16 L * 0.601 mol = V₂ * 0.300 mol

And <u>solve for V₂</u>:

  • V₂ = 4.33 L
3 0
2 years ago
Using the equation below, if you have 4.3 mol of nitrogen tribromide and
ankoles [38]

Answer:

sodium hydroxide is the limiting reactant

Explanation:

The first step is usually to put down the balanced reaction equation. This is the first thing to do when solving any problem related to stoichiometry. The balanced reaction equation serves as a guide during the solution.

2NBr3 + 3NaOH = N2 + 3NaBr + 3HOBr

Let us pick nitrogen gas as our product of interest. Any of the reactants that gives a lower number of moles of nitrogen gas is the limiting reactant.

For nitrogen tribromide

From the balanced reaction equation;

2 moles of nitrogen tribromide yields 1 mole of nitrogen gas

4.3 moles of nitrogen tribromide will yield 4.3 ×1/ 2 = 2.15 moles of nitrogen gas

For sodium hydroxide;

3 moles of sodium hydroxide yields 1 mole of nitrogen gas

5.9 moles of sodium hydroxide yields 5.9 × 1/ 3= 1.97 moles of nitrogen gas

Therefore, sodium hydroxide is the limiting reactant.

8 0
3 years ago
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