CHEMISTRY COLLEGE

NEED HELP FAST All living and nonliving things are made up of a combination of ______________.
Elements

Liquids

Crystals

Oxygen

Answers

Answer 1
Answer:

Answer:

elements bruh

Explanation:
Answer 2
Answer:

Final answer:

All living and nonliving things are made up of a combination of elements.

Explanation:

All living and nonliving things are made up of a combination of elements. Elements are pure substances that cannot be broken down into simpler substances and are the building blocks of matter. Examples of elements include oxygen, carbon, hydrogen, and nitrogen. These elements combine in different ways to form the various substances we see around us in the natural world.

Learn more about Elements here:

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Related Questions

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How many grams of CO2 and H2O are produced from the combustion of 220. g of propane (C3H8)? C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g)
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QUICK WILL MARK BRAINLIEST!!Match each of the unknown ions to its appropriate description.

A− A) A nonmetal that gained one electron
B+ B) A metal that lost one electron
C2− C) A metal that lost two electrons
D2+ D) A nonmetal that gained two electrons

Answers

Answer:

c2-c

Explanation:

A mental that lost two electrons just joking I don't k ow but I think it ain't the first o e because of comment sense to the 5th power

Answer:

A and B

Explanation:

metal form ion by lossing elecron

non metal form ion by gaining electron

What mass of CO2 (in kilograms) does the combustion of a 16-gallon tank of gasoline release into the atmosphere? Assume the gasoline is pure octane (C8H18) and that it has a density of 0.70 g/mL.Express your answer in kilograms to two significant figures.

Answers

Mass of CO₂ = 1.3 x 10⁵ kg

Further explanation

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

2C₈H₁₈ + 25O₂⇒ 16CO₂ + 18H₂O

16 gallon = 60566,6 ml

  • mass C₈H₁₈ :

\tt mass=\rho* V\n\nmass=0.7* 60566.6=42396.62~g

  • mol C₈H₁₈ :

\tt MW=114.232~g/mol\n\nmol=(42396.62)/(114.232)=371.145

  • mol CO₂ :

\tt (16)/(2)* 371.145=2969.159

  • mass CO₂ :

\tt =2969.159* 44(MW~CO_2)=130642.996~g=1.3* 10^5~kg

1. (a) What name is given to the law describing the relationship between volume and pressure at constant temperature? Write a mathematical expression that describes this relationship. (2 marks)(b) Sketch a graph of the relationship described in part (a).

Answers

Explanation:

a)Boyle's law states that pressure is inversely proportional to the volume of the gas at constant temperature.  

Pressure\propto (1)/(Volume) (At constant temperature)

The equation given by this law is:

PV=k

P_1V_1=P_2V_2

where,

P_1\text{ and }V_1 are initial pressure and volume respectively.

P_2\text{ and }V_2 are final pressure and volume respectively.

b) A graph of the relationship is attached as an image.

Calcium and bromine have formed a bond. Leading up to this, calcium gave up electrons. It was a(n)

Answers

Leading up to this, calcium gave up 2 valence electrons and thus was denoted as a cation. These 2 electrons were transferred to bromine, which received an overall negative charge because of the addition of 2 valence electrons in its valence shell, and thus formed a negatively charged ion, an anion.

Both formed an ionic bond, due to the electrostatic charge of attraction between the 2 oppositely charged ions. If many ions of Ca and Br are present and numerous ionic bonds have formed it will undergo an arrangement which is that of an ionic lattice, type of structure.

Which of the following are properties of acids? Check all that apply. • A. Corrosive • B. Reacts with certain metals • C. Tastes bitter □ D. Turns litmus paper blue

Answers

Explanation:

a) Corrosive and b) Reacts with certain metals

What else is produced during the replacement reaction of silver nitrate and potassium sulfate? 2AgNO3 + K2SO4 Ag2SO4 + ________

Answers

Answer:

c

Explanation:

Answer:

c

Explanation:
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