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wolverine [178]
3 years ago
14

Sakura tested the pH of several solutions. Which substances are acidic? Check all that apply. Cola-flavored soda: 2. 6 cranberry

juice: 2. 9 dish soap: 7. 3 pickle juice: 5. 5 seawater: 8. 0 lye soap: 13. 0.
Chemistry
1 answer:
Archy [21]3 years ago
4 0

Cola-flavored soda: 2. 6 -Acidic

cranberry juice: 2. 9  -Acidic

dish soap: 7. 3  -Basic

pickle juice: 5. 5  -Acidic

seawater: 8. 0 -Basic

lye soap: 13. 0. -Basic

<h3>What is pH?</h3>

pH value tells us about the acidity and basicity of any solution. pH means potential hydrogen.

The pH scale is counted from 0 to 14 in which 7 is neutral and the value of pure water.

Below 7 are all acids and the above 7 are all basic.

Thus, all acidic substances are Cola-flavored soda: 2. 6, pickle juice: 5. 5, cranberry juice: 2. 9.

Learn more about pH, here:

brainly.com/question/491373

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What is the first way in which biology researchers present the results of their latest research?
antoniya [11.8K]
Almost always, the first way in which biology researchers present the results of their latest research is to discuss the results of previous research that they want to build off of. 
5 0
3 years ago
Which option defines kinetic energy?(1 point)
MAVERICK [17]

The option which accurately defines kinetic energy from the choices above is:

the energy an object has because of its motion

The correct answer choice is option c

In order words, kinetic energy is that type of energy which a body or an object posess due to its relative motion.

<h3>What is energy?</h3>

Energy can simply be defined as the capacity of doing work.

Energy is a derived quantity; meaning that it is obtained from the combination of fundamental quantities.

The unit of energy joules.

Other examples of derived quantities just like energy too are:

  • Volume
  • Speed
  • Acceleration
  • Density.
  • Upthrust
  • Momentum
  • Momentum
  • Power
  • Pressure
  • Force

Below are some few forms of energy; these are:

  • Kinetic energy
  • Potential energy
  • Mechanical energy
  • Solar energy
  • Light energy
  • Chemical energy

So therefore, the option which accurately defines kinetic energy from the choices above is:

the energy an object has because of its motion

Learn more about energy:

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3 0
2 years ago
Read 2 more answers
Two colleagues are measuring the melting point of a substance. They observe two ranges of melting point, at 134-137 °C and 132-1
marissa [1.9K]

Explanation:

impurities affect both melting point and boiling point

in the case of melting point it lowers the melting point

so I guess one of the samples Ie contained impurities

6 0
3 years ago
There are two open cans of soda on the table one can was just take it on the refrigerator and the other was taken from the cup b
agasfer [191]

The one from the cupboard because it is warmer (has more thermal energy) than the one from the refrigerator. When a liquid becomes warmer, the solubility of a gas becomes lower. Therefore, there is already more CO2 in its gaseous state when the soda is warm.


8 0
3 years ago
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What energy is required to move from Ca+ to Ca2+ + e−?
nataly862011 [7]

Second Ionization energy is required to move from  Ca⁺ to Ca²⁺ + e⁻. Hence, option D is correct.

<h3>What is first ionization energy?</h3>

First ionization energy: The energy needed to remove the outermost, or highest energy, an electron from a neutral atom in the gas phase.

An element's second ionization energy is the energy required to remove the outermost, or least bound, an electron from a 1+ ion of the element. Because positive charge binds electrons more strongly, the second ionization energy of an element is always higher than the first.

Let us write the reaction equation properly:

                 Ca⁺ → Ca²⁺ + e⁻

In the reaction above, we see that calcium goes from a single charge to being doubly charged by losing an electron.

Different atoms bind their valence electrons with different amounts of energy. We must supply enough energy to remove the most loosely held electrons in an atom. This amount of energy required is called ionization energy.

The first ionization energy removes the outermost electron and makes the atom to become an ion.

Hence, option D is correct.

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4 0
2 years ago
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