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ira [324]
3 years ago
15

Which is not a benefit of power in sport?

Physics
1 answer:
iren [92.7K]3 years ago
3 0
More focused mind because that is basically for math
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0.22 L of pancake syrup has a mass of 33 g.
katrin2010 [14]

Answer:

a. 150 g/L

b. 75 g

c. 120 mL

Explanation:

a. 33g/0.22L=150 g/L

b. 33g/0.22L=150 g/L

150 g/L*0.5L=75g

c. 0.22L/33g=0.006667L/g

0.006667L/g*18g=0.12L

0.12L*1000=120mL

6 0
2 years ago
How can you use the movement of molecules to determine when a phase change has occurred?
baherus [9]

Answer:

These energy exchanges are not changes in kinetic energy. They are changes in bonding energy between the molecules. If heat is coming into a substance during a phase change, then this energy is used to break the bonds between the molecules of the substance. The example we will use here is ice melting into water.

Explanation:

5 0
3 years ago
Read 2 more answers
Which of these ionic compounds have polyatomic ions? Check all that apply.
Taya2010 [7]

Answer:

  • CaCO₃ and
  • NaOH.

Explanation:

Polyatomic ions are ions that contain more than one atom in each one of the ions.  

Ionic compounds are made of cations (positive ions) and anions (negative ion). By convention, the cation is written before the anion.

List the ions in each compound:

<h3>CaCO₃</h3>

Cation: \rm Ca^{2+},

Anion: \rm {CO_3}^{2-}.

\rm Ca^{2+} is a monatomic ion for it contains only one atom in each ion.

\rm {CO_3}^{2-} is a polyatomic ion for it contains four atoms (one C atom and three O atoms) in each ion.

<h3>NaF</h3>

Cation: \rm Na^{+},

Anion: \rm F^{-}.

Both \rm Na^{+} and \rm F^{-} are monatomic for they contain only one atom in each ion.

<h3>FeO</h3>

Cation: \rm Fe^{2+},

Anion: \rm {O}^{2-}.

Both \rm Fe^{2+} and \rm O^{2-} are monatomic for they contain only one atom in each ion.

<h3>CaCl₂</h3>

Cation: \rm Ca^{2+},

Anion: \rm {Cl}^{-}.

Both \rm Ca^{2+} and \rm Cl^{-} are monatomic for they contain only one atom in each ion.

<h3>NaOH</h3>

Cation: \rm Na^{+},

Anion: \rm {OH}^{-}.

\rm Na^{+} is a monatomic ion for it contains only one atom in each ion.

\rm {OH}^{-} is a polyatomic ion for it contains two atoms (one O atom and one H atom) in each ion.

5 0
2 years ago
Read 2 more answers
The rate of turn at any airspeed is dependent upon
bagirrra123 [75]

Answer:

the rate of turn at any airspeed is dependent upon the horizontal lift component

6 0
2 years ago
Three moles of a monatomic ideal gas are heated at a constant volume of 1.20 m3. The amount of heat added is 5.22x10^3 J.(a) Wha
k0ka [10]

Answer:

A) 140 k

b ) 5.22 *10^3 J

c) 2910 Pa

Explanation:

Volume of Monatomic ideal gas = 1.20 m^3

heat added ( Q ) = 5.22*10^3 J

number of moles  (n)  = 3

A ) calculate the change in temp of the gas

since the volume of gas is constant no work is said to be done

heat capacity of an Ideal monoatomic gas ( Q ) = n.(3/2).RΔT

make ΔT subject of the equation

ΔT = Q / n.(3/2).R

    = (5.22*10^3 ) / 3( 3/2 ) * (8.3144 J/mol.k )

    = 140 K

B) Calculate the change in its internal energy

ΔU = Q  this is because no work is done

therefore the change in internal energy = 5.22 * 10^3 J

C ) calculate the change in pressure

applying ideal gas equation

P = nRT/V

therefore ; Δ P = ( n*R*ΔT/V )

                        = ( 3 * 8.3144 * 140 ) / 1.20

                        = 2910 Pa

3 0
3 years ago
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