Plz answer question! Due in 7 minutes!!! Will make BRAINLIEST for first correct answer!!!

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Answer 1

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help, please? What science law explains why there should always be the same type of elements on the reactant side as there are on the product side? What does this law state? (HINT: Answer both of these questions. A: The Law of _________________ states that _____________.)

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Answer:

the law of conservation of energy states that energy neither created nor destroyed that means in a chemical reaction Mass reactants ( starting material)=tomass of produt

is zinc an example of a metal or nonmetal?

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Answer:

*Metal= iron, copper, aluminium, lead, Mercury, zinc, chromium, Nickel, gold, silver, Platinum. *Non-metal= sulphur, oxygen, nitrogen, Phosphorus, hydrogen, chlorine, Silicon, Iodine.

Explanation:

Answer:

Metal!!!

Explanation:

Zinc is a chemical element with the symbol Zn and atomic number 30. Zinc is a slightly brittle metal at room temperature and has a blue-silvery appearance when oxidation is removed. It is the first element in group 12 (IIB) of the periodic table. Zinc (Zn), chemical element, a low-melting metal of Group 12 (IIb, or zinc group) of the periodic table, that is essential to life and is one of the most widely used metals. Zinc (Zn) is an abundant metal, found in the Earth's crust, with a myriad of industrial and biological uses. ... A base metal, zinc is primarily used to galvanize steel, a process that protects the metal against unwanted corrosion.

Help quickly pleaaas

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Answer:

chymotrypsin, cleaves peptide bonds selectively on the carboxylterminal side of the large hydrophobic amino acids such as tryptophan, tyrosine, phenylalanine, and methionine

Under certain conditions butane reacts with oxygen to form butanone which can be easily hydrogenated to butanol. Butene is easily made from butanol by elimination of water.

Explanation:

These are for the first too

Consider the following reaction occurring in a 1.0 L container:
H2 (g) + I2 (g) → 2 HI (g)
State 2 requirements for a successful collision between H2 and I2.

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Answer:

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Why is it important to know characteristics that matter undergoes in chemistry? How can we analyze the relationships between chemical and physical changes and properties?
Extension Questions: What is the study of Chemistry? Who are some of the important people who have contributed to the field? How do regular Americans interact with Chemistry around them?
How can we understand the historical development of the Periodic Table and apply its predictive power?
Extension Questions: Describe different chemical principles and systems. How does the layout of the periodic table allow you predict other element's properties? Consider all types and groups of elements.

Why is it important to know and understand the historical development of atomic theory?
Extension Questions: How does the atom relate to the elements of the periodic table? What are your most common models and how do they relate to the current atomic model? What theories don’t hold true today if any?
How do atoms combine to form ionic, covalent, and metallic bonds?
How can we write and balance chemical equations using the law of conservation of mass?

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Answer:

Chemistry is important because everything you do is chemistry! Even your body is made of chemicals. Chemical reactions occur when you breathe, eat, or just sit there reading. All matter is made of chemicals, so the importance of chemistry is that it's the study of everything.

Which statement is true about solids?

Their particles can flow over one another, so they have a fixed volume but no fixed shape.

Their motionless particles are packed together in a fixed arrangement.

Their vibrating particles are packed together in relatively fixed positions.

Their fast-moving particles can expand to take the shape of their container.

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Answer:

Explanation:

Answer:

Their vibrating particles are packed together in relatively fixed positions.

Explanation:

As you can see in the image below, solid is packed together.

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