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alex41 [277]
2 years ago
10

Use Table 6.3 or Appendix B to write a balanced formation equation at standard conditions for each of the following compounds:

Chemistry
1 answer:
goblinko [34]2 years ago
6 0

Balanced formation equation at standard conditions Ca (s) + Cl₂ (g) → CaCl₂ (s) [ΔH° (Ca (s)) = 0 and ΔH° (Cl₂ (g)) = 0].

<h3>What is Chemical Reaction ?</h3>

A chemical reaction is a process in which chemical bonds between atoms to break and reorganize, to form a other new substances.

The chemical reaction for CaCl₂ is

Ca (s) + Cl₂ (g) → CaCl₂ (s)

Reactant Side    Product Side

Ca = 1                   Ca = 1

Cl = 2                    Cl = 2

In the reactant side there are 1 Ca atoms and in the product side also 1 Ca atoms. In the reactant side there are 2 Cl atoms and in the product side also 2 Cl atoms

So, the above equation is balanced.

Now, write the balanced formation equation at standard conditions

Ca (s) + Cl₂ (g) → CaCl₂ (s) [ΔH° (Ca (s)) = 0 and ΔH° (Cl₂ (g)) = 0]

Thus from the above conclusion we can say that Balanced formation equation at standard conditions Ca (s) + Cl₂ (g) → CaCl₂ (s) [ΔH° (Ca (s)) = 0 and ΔH° (Cl₂ (g)) = 0]

Learn more about the Chemical equation here: brainly.com/question/11231920
#SPJ4

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A reaction that occurs in the internal combustion engine is N₂(g) + O₂(g) ⇄ 2NO(g) (d) At what temperature (in K) does the react
S_A_V [24]

The reaction is spontaneous at a temperature of 7281.4 K

As the value of temperature rises, it is decreasing in accordance with the value of ΔG°, according to the value ofΔG° calculated. The value shifts from being more positive to being less positive. It ΔG°at a certain temperature.

It would appear that the value of would be negative, causing the reaction to occur on its own.

The calculation shown below can be used to determine the temperature at which the reaction starts spontaneously.

ΔG°= ΔH°-TΔS°

ΔG° now equals zero.

0 = 180.58 - T 24.8(1/1000)

T= 180.58/0.0248 K

T=7281.4 K

therefore, the reaction is spontaneous at a temperature of 7281.4 K

Learn more about ΔG° here:

brainly.com/question/17214066

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5 0
2 years ago
How many atoms are in a sample of 175 grams of sodium (na)? 1.42 × 10^27 atoms 4.58 × 10^24 atoms 6.68 × 10^-21 atoms 1.26 × 10^
Alenkasestr [34]
Atomic mass Na = 22.99 u.m.a

22.99 g ------------------ 6.02x10²³ atoms
175 g -------------------- ?? atoms

175 x (6.02x10²³) / 22.99 => 4.58x10²⁴ atoms

hope this helps!
5 0
4 years ago
Answer the questions about the characteristics of the elements in group 1 (the alkali metals). What happens when the elements in
irinina [24]

Answer:

See explanation

Explanation:

The elements in group form univalent positive ions and element in group 17 form univalent negative ions. Hence, when a group 1 element reacts with a group 17 element, a compound of the sort MX is formed. Hence, when a group 1 element reacts with bromine, a salt is formed with the general formula MBr.

Elements of group 1 are highly electro positive metals. They react with water to form the metal hydroxide and release hydrogen gas. Hence, when group 1 elements react with water, hydrogen gas is released.

A group 1 element forms a univalent positive ion while a group 16 element forms a divalent negative ion. Hence, when a groups 1 element reacts with oxygen, the compound formed must have the general formula M2O.

The reactivity of group 1 metal increases down the group hence Cs is the most reactive group 1 element.

Lithium displays a slightly different chemistry from other group 1 elements because of its small size.

6 0
3 years ago
What happens when atoms of uranium split apart __?
Digiron [165]
A large amount of heat comes out as E= m c^2
5 0
4 years ago
NH3 + CO2 + H2O → NH4HCO3 Balance this reaction if necessary. A) balanced B) 1, 1, 2, 1 C) 1, 2, 1, 2 D) 1, 2, 2, 2
Julli [10]

Answer:

NH3 + CO2 + H2O -> NH4HCO3

This equation is already balanced

4 0
3 years ago
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