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grandymaker [24]
3 years ago
10

Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation:

Chemistry
1 answer:
Leni [432]3 years ago
5 0

Answer: (1)CaSO4 -> (2)O2 + (1)CaS

Explanation: edge 2020 chem

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In a living organism, what is a tissue
Rus_ich [418]

Answer:

Tissue is a group of cells.

Explanation:

Human body tissue consists of groups of cells with a similar structure working together for a specific function.

Human body tissue is another way of describing how our cells are grouped together in a highly organized manner according to specific structure and function. These groupings of cells form tissues, which then make up organs and various parts of the body. For example, it's easy to see and feel muscle in the body. Muscle is one of the four types of human body tissue. In this lesson, learn more about the types of tissue and how each functions for a different purpose.

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4 years ago
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A tank with a height of 100 feet and a constant cross sectional area of 10 ft has a constant input flow of 15 ft /hour of pulp s
kiruha [24]

Answer:

(a) The consistency as a function of time is C=0.15*t.

(b) The tank will become clogged in 24 minutes.

Explanation:

The rate of accumulation of the pulp stock can be defined as

\frac{dC}{dt}=Q_{i}*C_{i}-Q_{o}*C_{o}

In this case, Co is 0, because the exit flow is only water and 0% fiber.

frac{dC}{dt}=Q_{i}*C_{i}-Q_{o}*0=Q_{i}*C_{i}

Rearranging adn integrating

dC = (Q_{i}*C_{i})dt\\\int dC = \int (Q_{i}*C_{i})dt\\C=(Q_{i}*C_{i})*t+constant

At t=0, C=0,

C=(Q_{i}*C_{i})*t+constant\\0=(Q_{i}*C_{i})*0+constant\\0=constant\\\\C=(Q_{i}*C_{i})*t

C=(15*0.01)*t=0.15*t

(b) The time at when the concentration reaches 6% is 0.4 hours or 24 minutes.

C=0.15*t\\0.06=0.15*t\\t=0.06/0.15=0.4

Download xlsx
7 0
3 years ago
What kind of properties can only be observed when a substance changes into a different substance? physical properties reaction p
Vitek1552 [10]

When a substance changes into a different substance, you are observing its chemical properties.

In a physical change, the substance must <em>not </em>change into a different substance.

The physical and chemical properties of a substance do <em>not</em> change.

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Sidana [21]

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3 outer atoms and 1 lone pair

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Why is oxygen an element ? a it is essential to life b it burn c it combines with hydrogen d it cannot be broken down into a sim
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D.) It cannot be broken down into a simple substance through chemical means...
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