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2 years ago

Write a paragraph, citing examples from the text, to explain how Dr.

1 answer:

8 0

Paul J. Chirik developed methods associated with chemistry catalysis and transition metals, which may result useful for the development of manufacturing technologies.

<h3>What is catalysis?</h3>

Catalysis refers to the chemical processes that increase the rate of different types of reactions by lowering its activation energy.

Proteins (enzymes) are biological catalysts that increase the rate of chemical reactions in biological systems.

Catalysis may be reached by using transition metals (e.g., actinium and rutherfordium), which result useful in the development of manufacturing technologies.

Learn more about catalysis here:

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Which of the following models best demonstrates the law of conservation of mass??

Svetradugi [14.3K]

Answer:

i think its D

Explanation:

The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as the system's mass cannot change, so quantity can neither be added nor be removed.

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3 years ago

The roots of plants are important to photosynthesis because they...

lina2011 [118]

Answer:

$\boxed {\boxed {\sf C. \ Provide \ the \ water \ needed}}$

Explanation:

Photosynthesis is an extremely important process for plants, algae, and some bacteria. It helps create their "food", which is glucose. It is turned into energy so the organism can grow, repair damages, and carry out other processes.

The equation for photosynthesis is as follows:

$H_2O+CO_2+energy \rightarrow C_6H_{12}O_6 + O_2$

Water, carbon dioxide, and light energy from the sun are converted to glucose and oxygen.

Roots are important for obtaining <u>water</u>. Since they reach into the soil, they can absorb the water. Then, capillary action draws the water up the stem into the xylem and then into the leaves, where photosynthesis occurs.

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3 years ago

Plz answer asap !!!!

Semmy [17]

Answer:it's c

Explanation:

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3 years ago

What happens to object or matter when an explosion occurs?

san4es73 [151]

it blows up......?????

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4 years ago

Read 2 more answers

Recall that a carbon atom behaves as if it possesses four valence electrons. given this information, what is the most likely str

Burka [1]

Carbon (C) belongs to Group IV A in the periodic table.

Atomic number of C = 6

Electron configuration = $1s^{2}2s^{2}2p^{2}$

Oxygen (O) belongs to group VI A in the periodic table

Atomic number of O = 8

Electron configuration = $1s^{2} 2s^{2} 2p^{4}$

Based on the electron configurations, the valence shell in C and O have 4 and 6 electrons respectively. As a result carbon is tetravalent, and in CO2 this is satisfied as the C atom forms a double bond with each O atom. Hence the structural formula is:

O=C=O

In addition, there are two lone pairs of electrons on each of the O atoms.

7 0

4 years ago