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Mariana [72]
3 years ago
5

Identify the polynomial. x3- y3 + z monomial binomial trinomial

Chemistry
1 answer:
Firdavs [7]3 years ago
6 0

Answer: Option (c) is the correct answer.

Explanation:

A monomial is defined as an algebraic expression in which there is only one term present.

For example, 3x is a monomial.

A binomial is defined as an expression where there will be two terms present. For example, (x^{2} + y^{2}) is a binomial.

A polynomial is defined as an algebraic expression which contains more than two terms.

For example, x^{3} - y^{3} + z is a polynomial.

Thus, we can conclude that the given expression x^{3} - y^{3} + z is a polynomial.

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A Biology student wants to conduct a study of how much sunlight affects the length of sleep for mice. She sets up four cages wit
Temka [501]
The independent variable would be the amount of sunlight because that is what you are testing and the dependent variable would be the length of time the mice slept because it is what you are measuring. The constants would be everything else water, food, cage size, exercise wheel, and temperature because they stay the same.
6 0
3 years ago
A student combines 364.6 g of HCl with 80 g of NaOH in 5 L of water. What additional volume of H2O must be added to this mixture
Jobisdone [24]

Answer:

75L of additional water to have a pH 1 solution

Explanation:

The reaction of HCl With NaOH is:

HCl + NaOH → H₂O + NaCl

By using molar mass of each reactant you can know how many moles will react, thus:

HCl: 364.6g HCl ₓ (1mol / 36.46g) = 10 moles HCl

NaOH: 80g NaOH ₓ (1mol / 40g) = 2 moles NaOH

That means after the reaction will remain in solution, 10-2 = 8 moles of HCl = 8 moles of H⁺ (In water, HCl dissociates as H⁺ and Cl⁻ ions).

A solution with pH = 1 contains:

pH = -log [H⁺]

1 = -log [H⁺]

0.1M = [H⁺]

As molarity, M is the ratio between moles and liters and you want a solution 0.1M having 8 moles of H⁺ you require:

0.1M = 8 moles H⁺ / 80L

As the student combines the solution with 5L of water, you require

<h3>75L of additional water to have a pH 1 solution</h3>
6 0
3 years ago
How many moles are there in a 1.00 kg bottle of water?
ipn [44]
55.49 moles are in one kilogram of water...
7 0
3 years ago
You have a solution of calcium chloride dissolved in water. You add some more solid to the solution and stir, and the solid diss
IgorC [24]

Answer:

It changed from unsaturated to saturated solution

Explanation:

Before adding the spatula tip full amount, the solution was unsaturated, but as soon as the spatula tip full amount was added and couldn't dissolve, it became unsaturated because it could not dissolve any more solute having already dissolved it maximum number of solute

5 0
4 years ago
As the [H] In a solution decreases, what happens to the [OH-]?
valentinak56 [21]
C. It increases and the pH stays constant.
5 0
3 years ago
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