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2 years ago

Which type of chemical bond occurs when atoms share electrons, as shown in this diagram?.

Chemistry

1 answer:

vesna_86 [32]2 years ago

8 0

Answer:

covalent bond

Explanation:

covalent bond, in chemistry, the interatomic linkage that results from the sharing of an electron pair between two atoms. The binding arises from the electrostatic attraction of their nuclei for the same electrons.

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A 7.0 L sample of gas begins at 2.5 atm and 320. K. What is the new pressure if the temperature is changed to 273 K and the volu

enyata [817]

Answer:

2.1 atm

Explanation:

We are given the following variables to work with:

Initial pressure (P1): 2.5 atm

Initial temperature (T1): 320 K

Final temperature (T2): 273 K

Constant volume: 7.0 L

We are asked to find the final pressure (P2). Since volume is constant, we want to choose a gas law equation that relates initial pressure and temperature to final pressure and temperature. Gay-Lussac's law does this:

$\frac{P_{1}}{T_1} =\frac{P_{2}}{T_2} \\$

We can rearrange the law algebraically to solve for $P_{2}$ .

${P_{2}} =\frac{(T_2)(P_{1} )}{T_1} \\$

Substitute your known variables and solve:

$P_2 = \frac{273K(2.5atm)}{320K} = 2.1 atm$

4 0

2 years ago

What is the net ionic equation of the reaction of MgSO4 with Pb(NO3)2? Express you answer as a chemical equation including phase

Nady [450]

Answer : The net ionic equation will be,

$Pb^{2+}(aq)+SO_4^{2-}(aq)\rightarrow PbSO_4(s)$

Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The same number of ions present on reactant and product side which do not participate in a reactions.

The given balanced ionic equation will be,

$MgSO_4(aq)+Pb(NO_3)_2(aq)\rightarrow Mg(NO_3)_2(aq)+PbSO_4(s)$

The ionic equation in separated aqueous solution will be,

$Mg^{2+}(aq)+SO_4^{2-}(aq)+Pb^{2+}(aq)+2NO^{3-}(aq)\rightarrow PbSO_4(s)+Mg^{2+}(aq)+2NO^{3-}(aq)$

In this equation, $Mg^{2+}\text{ and }NO_3^-$ are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

$Pb^{2+}(aq)+SO_4^{2-}(aq)\rightarrow PbSO_4(s)$

4 0

2 years ago

A student wants to make a 5.00%solution of rubidium chloride using 0.377g of the substance. what mass of water will be needed to

Alenkasestr [34]

The mass of water that will be needed to make the solution is calculated as below

% solution = mass of the solute/mass of the solvent(water) x100

% solution = 5% = 5/100
mass of the solute =0.377 g
mass of the solvent = ?

let the mass of the solvent be represented by Y

= 5/100 =0.377/y

by cross multiplication

5y= 37.7
divide both side by 5

y =7.54 grams

7 0

2 years ago

in the reaction C5H8 ____02--8H20, what coefficient should be placed in frount of 02 to balance the reaction?

Gekata [30.6K]

5CO2 should be in the blank spot.

the reaction would be 7

7 0

3 years ago

Priscilla was building a circuit that used copper wires to connect a battery to a light bulb. As she connected the final wire fr

algol [13]

Answer:

The voltage or potential difference

Explanation:

What makes current flow in a circuit is the voltage or the potential difference.

This force is supplied by the battery or the mains electrical circuit.

Every circuit requires the voltage to drive current through
When a circuit is complete, the battery is able to overcome any resistance by the generating enough voltage which is the force to drive the current through.

7 0

2 years ago