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3 years ago

When two objects transfer their heat evenly between

Chemistry

2 answers:

Vsevolod [243]3 years ago

6 0

A because they all have the same heat

Blababa [14]3 years ago

5 0

Answer:

A. equilibrium

Explanation:

Thermodynamic equilibrium leads to the large scale definition of temperature. When two objects are in thermal equilibrium they are said to have the same temperature. During the process of reaching thermal equilibrium, heat, which is a form of energy, is transferred between the objects.

I hope this helps and have a great day! :D

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1.00 mole of oxygen at 60 degrees celcius and 5 bar is flowing through a 20cm diameter pipe (inner diameter). What is the veloci

jeka94

Answer:

u = 0.176 m/x

Explanation:

∴ n O2 = 1 mol

∴ mass O2 = 1 mol * 32 g/mol = 32 g

∴ T = 60°C = 333 K

∴ P = 5 bar

⇒ V = RTn/P = (83.14 bar.cm³/mol.K)*(333 K)*(1 mol))/(5 bar)

⇒ V = 5537.124 cm³

∴ d = 20cm

⇒ A = (1/4π)*d² = 314.16 cm²

velocity of the gas (m/x):

u = m / ρ*A
let time (t) = x sec

∴ ρ = 32 g / 5537.124 cm³ = 5.78 E-3 g/cm³

∴ mass flow rate (m) = 32g / x

⇒ u = (32 g/x) / (( 5.78 E-3 g/cm³)*(314.16cm²))

⇒ u = 17.625 cm/x * ( m/100cm) = 0.176 m/x

4 0

3 years ago

Fig. 6.1 shows the structural formula of an organic compound.

Tatiana [17]

Answer:

A dono wat is da anser sori man hehe

6 0

3 years ago

Read 2 more answers

A package contains 1.33 lb of ground round. If it contains 29% fat, how many grams of fat are in the ground round? The book is s

Effectus [21]

Answer:

To obtain the grams of fat that the ground round has, knowing that it weighs 1.33 pounds we must pass this value to grams. Since 1 pound equals 453.59 grams, 1.33 pounds equals 603.27 (453.59 x 1.33).

Now, to obtain 29 percent of 603.27, we must make the following calculation: 603.27 / 100 x 29, which gives a total of 174.94 grams.

In this way, your reasoning is correct and it is probably a mistake in the book.

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3 years ago

“Fe(NO3)3” is a...

ioda

Answer:

1. Fe(NO3)3 is C. Chemical formula

2. Manganese Sulphate is C. Name

3. Zn is C. Symbol

Hope this helps!

3 0

4 years ago

Use the periodic table to find the number of valence electrons for calcium (Ca) aluminum (Al) rubidium (Rb) oxygen (O) sulfur (S

fgiga [73]

Answer:

Calcium (Ca) => 2

Aluminium (Al) => 3

Rubidium (Rb) => 2

Oxygen (O) => 2

Sulphur (S) => 2

Iodine (I) => 1

Formulae

Calcium oxide : CaO

Aluminium iodide : AlI3

Rubidium sulphide : RbS

Aluminium oxide : Al2O3

4 0

3 years ago