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4 years ago

Which is the property of nonmetals to evaporate easily.

Chemistry

2 answers:

qwelly [4]4 years ago

6 0

Answer:

volatile

Explanation:

liberstina [14]4 years ago

5 0

They are also poor conductors of electricity for they tend to form negative ions by gaining or sharing electrons [to be stable] unlike the metals. Hence, they have high ionization energy and high electronegativity values. In addition, nonmetals are usually volatile, which means that they evaporate easily

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Given the following information: benzoic acid = C6H5COOH hydrocyanic acid = HCN C6H5COOH is a stronger acid than HCN (1) Write t

Maurinko [17]

Answer:

The net ionic equation is

C6H5COOH+ CN-= C6H5COO- + HCN

Explanation:

From the ionic equation

C6H5COOH + Na+ + CN- = C6H5COO- + Na+ + HCN

Only sodium is the spectator ion, so it cancels out, since C6H5COOH and HCN do not ionize completely they are left undissociated

5 0

4 years ago

Problem PageQuestion Iron(III) oxide and hydrogen react to form iron and water, like this: (s)(g)(s)(g) At a certain temperature

Marrrta [24]

Complete question

The complete question is shown on the first uploaded image

Answer:

The value is $K_c = 2.69 *10^{-5}$

Explanation:

From the question we are told that

The equation is

$Fe_20_3_{(s)}+3H_{(g)}\to2Fe_{(s)}+3H_2O_{(g)}$

Generally the equilibrium is mathematically represented as

$K_c = \frac{[H_2O]^2}{[H_2]^3}$

Here $[H_2O]$ is the concentration of water vapor which is mathematically represented as

$[H_2O ] = \frac{n_w}{V_s }$

Here $V_s$ is the volume of the solution given as 8.9 L

$n_w$ is the number of moles of water vapor which is mathematically represented as

$n_w = \frac{m_w}{Z_w}$

Here $m_w$ is the mass of water given as 2.00 g

and $Z_w$ is the molar mass of water with value 18 g/mol

$n_w = \frac{2}{18}$

=> $n_w = 0.11 \ mol$

$[H_2O ] = \frac{0.11}{8.9 }$

=> $[H_2O ] = 0.01236 \ M$

Also

$[H]$ is the concentration of hydrogen gas which is mathematically represented as

$[H ] = \frac{n_v}{V_s }$

Here $V_s$ is the volume of the solution given as 8.9 L

$n_v$ is the number of moles of hydrogen gas which is mathematically represented as

$n_v = \frac{m_v}{Z_v}$

Here $m_w$ is the mass of water given as 4.77 g

and $Z_v$ is the molar mass of water with value 2 g/mol

$n_w = \frac{4.77}{2}$

=> $n_w = 2.385 \ mol$

$[H_2O ] = \frac{2.385}{8.9 }$

=> $[H_2O ] = 0.265 \ M$

$K_c = \frac{( 0.01236 )^3}{ (0.265 )^2}$

=> $K_c = 2.69 *10^{-5}$

7 0

3 years ago

A cake is made by mixing ingredients and placing the material in an oven for baking. What type of reaction is involved?

elena-s [515]

Answer: endothermic

Explanation:

The cake (the subject) is receiving heat from the oven (its surroundings) in order to bake.

3 0

3 years ago

Read 2 more answers

6. The half life for uranium-235 is 7.0x108 years.

Assoli18 [71]

The answer for this problem is 305.2 because you múltipley and thats how you get the answer by mulyiplying

5 0

3 years ago

What kind of system is the carbon cycle

natita [175]

Answer:

The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth.

8 0

4 years ago