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4 years ago

Anyone get this if you do please help me step by step

Physics

1 answer:

kotegsom [21]4 years ago

5 0

Answer:

$7.95

Explanation:

$5.75 cost per bag ÷ 47 apples = unit cost of $0.1223. thus, each apple cost $ .1223.

.1223 × 65 apples= $7.95

note_rounding apples to .12*65=$7.8

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Hey solution that contains all of the salute it can normally hold at a given temperature is

ankoles [38]

Answer:

A saturated solution

Explanation:

A saturated solution is one that contains the most amount of solute that can be dissolved in it at a given temperature

An example of a saturated solution is carbonated water, which readily gives off bubbles of carbon dioxide gas from areas within the solution to the region above the top surface of the gas in liquid solution

A saturation solution of salt in water can be created by continuing to dissolve salt in a given amount of water until it can no longer dissolve any more salt. However, heating the saturated salt solution, increases the amount of salt that can be dissolved.

Therefore, a solution that contains all of the solute it can normally hold at a given temperature is <u>a saturated solution</u>

8 0

3 years ago

Which of the following characteristics do all unicellular organisms share?

Fed [463]

Answer:

Asexual production they can be eukaryotes or prokaryotes

Explanation:

8 0

3 years ago

An ion has 8 protons and 10 electrons. What is the total charge? *

Korolek [52]

The answer is -2 sjs

3 0

3 years ago

Measurements show that the enthalpy of a mixture of gaseous reactants decreases by during a certain chemical reaction, which is

snow_tiger [21]

The given question is incomplete. The complete question is as follows.

Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 338 kJ during a certain chemical reaction, which is carried out at a constant pressure. Furthermore, by carefully monitoring the volume change it is determined that 187 kJ of work is done on the mixture during the reaction. Calculate the change in energy of the gas mixture during the reaction. Be sure your answer has the correct number of significant digits. Is the reaction exothermic or endothermic ?

Explanation:

The given data is as follows.

Change in enthalpy ( $\Delta H$ ) = -338 kJ (as it is a decrease)

Work done = 187 kJ,

Change in energy ( $\Delta E$ ) = ?

Now, according to the first law of thermodynamics the formula is as follows.

$\Delta H = \Delta E + P \Delta V$

Hence, putting the given values into the above formula as follows.

$\Delta H = \Delta E + P \Delta V$

Also, we know that W = $P \Delta V$

so, $\Delta H = \Delta E + W$

$-338 kJ = \Delta E + 187$

$\Delta E$ = -151 kJ

Thus, we can conclude that the change in energy of the gas mixture during the reaction is -151 kJ.

5 0

3 years ago

Chemical bonds that are formed when one atom with a partial positive charge (created from unequal sharing of electrons) is elect

Tamiku [17]

Answer:

Polar covalent bond

Explanation:

When two atoms of unequal electro- negativity comes together to form bonds , there is unequal sharing of electrons between them , one of them acquaring partial positive and partial negative charge . Then they make bond due to mutual attraction.

Bond formation in HCl in gaseous state is an example .

7 0

4 years ago