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Rufina [12.5K]
3 years ago
15

**URGENT**** Which group of elements has the highest boiling point? *

Chemistry
2 answers:
iris [78.8K]3 years ago
6 0

Answer:  the elements that have the hightse boiling is trnsition metals

xplanation:

Ray Of Light [21]3 years ago
4 0
I think transmition metals as These properties are due to metallic bonding by delocalized d electrons, leading to cohesion which increases with the number of shared electrons.
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Periodic trends are examined by looking down the _ of elements or by looking across the _ of the elements
nikklg [1K]

Answer: yo sorry this a hard one

Explanation:

bro

6 0
3 years ago
A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston wit
Triss [41]

Answer:

The final pressure is approximately 0.78 atm

Explanation:

The original temperature of the gas, T₁ = 263.0 K

The final temperature of the gas, T₂ = 298.0 K

The original volume of the gas, V₁ = 24.0 liters

The final volume of the gas, V₂ = 35.0 liters

The original pressure of the gas, P₁ = 1.00 atm

Let P₂ represent the final pressure, we get;

\dfrac{P_1 \cdot V_1}{T_1} = \dfrac{P_2 \cdot V_2}{T_2}

P_2 = \dfrac{P_1 \cdot V_1 \cdot T_2}{T_1 \cdot V_2}

P_2 = \dfrac{1 \times 24.0 \times 298}{263.0 \times  35.0} = 0.776969038566

∴ The final pressure P₂ ≈ 0.78 atm.

4 0
3 years ago
A mixture of helium and hydrogen gases, at a total pressure of 751 mm Hg, contains 0.447 grams of helium and 0.193 grams of hydr
Margaret [11]

Answer:

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Explanation:

4 0
3 years ago
3. Universal indicator is used to
Lyrx [107]

Answer:

C.Universal indicator turns orange in

weak acid.

Explanation:

option A and B are incorrect coz universal indicator turns red in strong acid and in strong alkali (base) it turns blue

4 0
3 years ago
In a redox reaction, one of the reactants must release
Leviafan [203]
Redox reaction is the reduction and oxidation reaction. It is a chemical reaction that involves a transfer of electrons. It can mean loss of oxygen (oxidation) or gain of electrons (reduction). Oxydation is the process of where a sustance loses electrons, gains an oxygen atom/s, loses a hydrogen atom/s.  reduction is the opposite.
In a redox reaction, one of the reactants must release electrons.
3 0
3 years ago
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