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fenix001 [56]
3 years ago
15

1. what is volume?

Chemistry
2 answers:
bazaltina [42]3 years ago
4 0

Hello!

Answer:

1. D.

2. A.

Explanation:

↓↓↓↓↓↓↓↓↓↓↓

Volume is the amount of space that an object takes up. Volume is constant for solids and liquids; it varies for gases. The volume of an object can be measured in many ways. For a regular solid, use formulas like V=l*w*h or V=B*h. For an irregular solid, use the water displacement method. For a liquid, use a graduated cylinder. Common units for volume include cubic centimeters, milliliters, and liters. Volume is a physical property. Mass is the amount of matter in an object. The mass of an object is constant. Mass is measured with a balance. Common units for mass are grams and kilograms. Hope this helps! Thank you for posting your question at here on brainly. -Charlie

gavmur [86]3 years ago
3 0
1) D) The amount of space a substance takes up 
2) A) The amount of matter in a substance 
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Se tiene una solución acuosa 2M de carbonato de potasio. Expresar su concentración en %p/v y Normalidad.
zepelin [54]

Answer:

Normalidad = 4N

%p/V = 27.6%

Explanation:

La solución 2M de carbonato de potasio contiene 2moles de carbonato por litro de solución. La normalidad son los equivalente de carbonato de potasio (2eq/mol) por litro de solución:

2moles * (2eq/mol) = 4eq / 1L = 4N

El porcentaje peso volumen es el peso de carbonato en gramos dividido en el volumen en mL por 100:

%p/V:

Masa K2CO3 -Masa molar: 138.205g/mol-

2moles * (138.205g/mol) = 276g K2CO3

Volumen:

1L * (1000mL/1L) = 1000mL

%p/V:

276g K2CO3 / 1000mL * 100

<h3>%p/V = 27.6%</h3>
6 0
3 years ago
Which of the following correctly describes one way that photosynthetic plants are involved in the carbon cycle? Choose 1 answer:
brilliants [131]

Answer:

The correct answer is - (Choice A) A Photosynthetic plants can move carbon from the atmosphere into an ecosystem’s food web.

Explanation:

Photosynthesis is the process performed by photosynthetic or green plants in presence of light atmospheric carbon dioxide and water converted into glucose (6 carbon compound) and oxygen.

This glucose or sugar is utilized by the plants that are producers in the ecosystem food web. These producers are fed by consumers and carbon molecules transfer from all the trophic levels in the food chain or food web in the process.

7 0
3 years ago
Does anyone know how to do this ??
lord [1]

Answer:

Look at your periodic table

Explanation:

It tells you everything like Potasium 1 and 1 ox and 1 hydrogen

7 0
3 years ago
THIS IS SCIENCE
lana [24]
I'm guessing D or C, remember that the noble gases cannot combine
5 0
3 years ago
How many grams of water will form if 10.54 g H2 react with 95.10 g O2?
sergeinik [125]

Answer:

94.0

Explanation:

2020 edge

7 0
3 years ago
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