Chemistry Middle School

What's the problem with the chemical equation shown?
A. There's a missing oxygen in the product.
B. There's a missing hydrogen in the reactants.
C. There's an additional oxygen in the product.
D. There's an additional hydrogen in the reactants.

What's The Problem With The Chemical Equation Shown?A. There's A Missing Oxygen In The Product.B. There's

Answers

Answer 1
B is actually incorrect. It’s A. There’s 2 Oxygen in the reactant but only 1 in the product. There needs to be an additional oxygen in the product. The answer is A.
Answer 2
A- there’s a missing oxygen in the product; there are 2 oxygen molecules in the reactant hence there should be 2 oxygen molecules in the product

Related Questions

.............................

Answers

X and Z are the answers, hope this helped out.
x and z and the answer your welcome

Which statement describes what is gained or lost during radioactive decay?

Atoms gain other atoms.
Elements take in energy.
Atoms lose smaller particles.
Elements gain smaller particles.

Answers

Answer: The correct statement is: Atoms lose smaller particles during radioactive decay.

Explanation:

Radioactive decay is a process where unstable atomic nuclei lose energy by emitting radiation in the form of particles or electromagnetic waves. As a result of this process, the unstable atoms transform into a different element or isotope. During the decay, the atoms lose smaller particles such as alpha particles, beta particles, or gamma rays. This loss of particles changes the number of protons and neutrons in the nucleus, which leads to the formation of a new element.

statement describes what is gained or lost during radioactive decay: atoms lose smaller particles. That is the third option, as during radioactive decay, the nucleus of an atom can lose subatomic particles, such as alpha or beta particles, which results in the transformation of the original atom into a new atom or a different isotope of the same element.

What is radioactive decay?

Radioactive decay is a process by which the nucleus of an unstable atom loses energy by emitting subatomic particles, such as alpha or beta particles, or electromagnetic radiation, such as gamma rays. This loss of energy can result in the transformation of the original atom into a new atom or a different isotope of the same element.

Hence, the statement describes what is gained or lost during radioactive decay: atoms lose smaller particles, which is the third option.

Learn more about radioactive decay here.

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How are S waves and surface waves similar?

Both arrive after P waves.
Both compress the ground.
Both travel through liquids.
Both produce minimal ground motion.

Answers

Both arrive after P waves
Both will arrive after P waves.

Write a scientific argument that addresses the question: Which suspect is most likely to have made the hydrofluoric acid? First, state your claim. Then, use evidence to support your claim. For each piece of evidence you use, explain how the evidence supports your claim.
THE SUSPECTS ARE EITHER PAT OR TRACY. I'm pretty sure it's Pat but I need a clear explanation to why it is her who created the hydrofluoric acid!

Answers

Answer:

Pat is most likely to have made the hydrofluoric acid. My first piece of evidence is that the chemical supply company delivered sulfuric acid and calcium fluoride to Pat’s house However, these substances were not found at Pat’s house. This could mean that Pat used these substances in a chemical reaction. This evidence supports my claim because a chemical reaction between sulfuric acid and calcium fluoride could cause the atoms to rearrange to form hydrofluoric acid as one of the products. This is because sulfuric acid contains hydrogen atoms, and calcium fluoride contains fluorine atoms, which are the two types of atoms that repeat to make up hydrofluoric acid.

My next piece of evidence is that the police found calcium sulfate at Pat’s house. This evidence supports my claim because if Pat mixed the sulfuric acid and the calcium fluoride to make hydrofluoric acid, then the other product of this reaction could be calcium sulfate. This is because only the hydrogen and fluorine atoms would rearrange to form hydrofluoric acid. The rest of the atoms of the reactants would have to rearrange to form another substance. Calcium sulfate is probably the other product that would form because its atom group contains all the atoms that did not rearrange to form hydrofluoric acid. This evidence suggests that Pat mixed sulfuric acid and calcium fluoride to make the hydro.. whatever.

How do you think scientific discoveries regarding synthetic medicines like aspirin have impacted the pharmaceutical industry?


(thanks!)

Answers

Answer: The discoveries of synthetic medicine have gave the pharmaceutical industry more opportunities to more efficiently assist others. The synthetic medications are more effective and could be more cost efficient for the people taking them and the manufacturers and thus also gives the pharmaceutical industry more relevance in terms of the medical industry and the scientific world.

Explanation: n-a

By providing an easy and inexpensive method to alleviate pain, aspirin began to change the experience and expectations of patients and doctors and ultimately the nature of modern medicine itself

A dolphin catches and eats small fish.

Which type of organism is described in this scenario?

consumer
decomposer
parasite
producer

Answers

Answer:

The answer is *consumer*

consumer, an animal that eats plants and or other living animals

A water molecule takes a journey that includes a cloud, mountain, atmosphere, lake, and groundwater. Write a scientific explanation about the directions the water molecule would move and what causes it to move through the cycle. (Must use CER!) (Finish it immediately!)

Answers

Answer:

Claim: A water molecule moves through the water cycle in a continuous journey that involves changes in state and location.

Evidence: The journey of a water molecule begins when it evaporates from a body of water, such as a lake or the ocean, due to the energy from the sun. The water molecule rises into the atmosphere and joins other water molecules to form a cloud. As the cloud moves, it may pass over a mountain and cool, causing the water molecules to condense into liquid or solid form and fall as precipitation. Some of the precipitation may fall into a lake or river, where it can flow downstream and eventually enter the groundwater system. The water in the groundwater system may eventually resurface in a lake or river, or it may be extracted from a well for human use.

Reasoning: The movement of a water molecule through the water cycle is driven by a combination of physical and chemical processes, including evaporation, condensation, precipitation, and infiltration. The sun provides the energy that drives the cycle, causing water to evaporate and rise into the atmosphere. As the water molecules cool, they may condense into clouds and eventually fall as precipitation. The movement of water through the cycle is also influenced by factors such as temperature, pressure, and gravity. For example, water will flow downhill due to gravity, which can cause it to move through the groundwater system and eventually resurface in a lake or river. Overall, the water cycle is a complex and continuous journey that is essential for maintaining the Earth's water supply and supporting life.

Explanation:

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