All categories

2 years ago

The specific heat of copper is 0.385 j/g°c which equation would you use

1 answer:

8 0

Since there's specific heat, you should use Q=mc△T. Depends on if this question also involves phase change or not, you might will need Lf (latent heat of fusion) or Lv (latent heat of vaporisation).

You might be interested in

How many of the following molecules have sp2 hybridization on the central atom? hcn so2 ocl2 xecl2.

GrogVix [38]

Only one molecule have sp2 hybridization on central atom and that is SO₂.

XeCl₂ have sp3d hybridization.

OCl₂ have sp3 hybridization.

HCN have sp hybridization.

Hybridization is defined as the concept of mixing two atomic orbitals to give rise to a new type of hybridized orbitals.

Hybridization intermixing usually results in the formation of hybrid orbitals having entirely different energies, shapes, etc.

Learn more about hybridization here:- brainly.com/question/22765530

#SPJ4

7 0

2 months ago

Which of the following metals will react with water to produce a metal hydroxide and hydrogen gas? (2 points)

vazorg [7]

The answer would be the first option - k

8 0

2 years ago

Read 2 more answers

I need help with this question

VARVARA [1.3K]

Answer:

2.25×10¯³ mm.

Explanation:

From the question given above, we obtained the following information:

Diameter in micrometer = 2.25 μm

Diameter in millimetre (mm) =?

Next we shall convert 2.25 μm to metre (m). This can be obtained as follow:

1 μm = 1×10¯⁶ m

Therefore,

2.25 μm = 2.25 μm / 1 μm × 1×10¯⁶ m

2.25 μm = 2.25×10¯⁶ m

Finally, we shall convert 2.25×10¯⁶ m to millimetre (mm) as follow:

1 m = 1000 mm

Therefore,

2.25×10¯⁶ m = 2.25×10¯⁶ m /1 m × 1000 mm

2.25×10¯⁶ m = 2.25×10¯³ mm

Therefore, 2.25 μm is equivalent to 2.25×10¯³ mm.

6 0

2 years ago

23. A satellite moving at the same velocity in space is an example of which

jolli1 [7]

Answer:

A. LST

Explanation:

• 1st Law: The path of each planet around the Sun is an ellipse with the Sun at one focus.

• 2nd Law: The line from the Sun to any planet sweeps out equal areas of space in equal time intervals.

• 3rd Law: The square of the orbital period of a planet is directly proportional to the cube of the average distance

7 0

2 years ago

Should a homeowner expect more caco3 buildup in hot water pipes or cold water pipes

Arturiano [62]

Answer:
CaCO₃ built up in hot water pipes

Explanation:

The hardness of water is classified as;

Permanent Hard Water:
In this the mineral content cannot be removed by boiling. This water contains mainly following,

Calcium Sulfate CaSO₄

Calcium Chloride CaCl₂

Magnesium Sulfate MgSO₄

Magnesium Chloride MgCl₂

These salts does not precipitate out on heating water.

Temporary Hard Water:
In this water the mineral content can be removed by boiling. This water contains mainly following,

Calcium Bicarbonate Ca(HCO₃)₂

Calcium Carbonate CaCO₃

Magnesium Bicarbonate Mg(HCO₃)₂

Magnesium Carbonate MgCO₃

These salts does not precipitate out on heating water. i.e.

Ca(HCO₃)₂ -------heat------> CaCO₃ + CO₂ + H₂O

The CaCO₃ are formed in the form of scales.

Result:
Hence, we can say that that CaCO₃ built up in hot water pipes.

5 0

2 years ago