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2 years ago

Which of the following graphs represent a function that has a negative leading coefficent? ;w;

Chemistry

2 answers:

Anastasy [175]2 years ago

8 0

︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎︎ $\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\$

$\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\$

$\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\$ $\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\$

$\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\$

MAVERICK [17]2 years ago

5 0

Negative leading coefficient is A

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1. Suppose you had 58.44 grams of NaCl and you dissolved it in exactly 2.00 L of solution.

Margarita [4]

.500M or .500 mol/liters

3 0

1 year ago

The number of moles of hydrogen that is needed to produce 0.253 mol of water is...

Oksi-84 [34.3K]

The chemical formula of water is written as H2O we can just use the ratio of the atoms since we are not given the reaction. Hydrogen is a diatomic substance so that it exists as H2. We calculate as follows:

0.253 mol H2O ( 1 mol H2 / 1 mol H2O ) = 0.253 H2 needed

Hope this answers the question. Have a nice day.

8 0

3 years ago

Given a fixed amount of gas held at constant pressure, calculate the volume it would occupy if a 2.00 L sample were cooled from

aliina [53]

Answer:

1.82 L

Explanation:

We are given the following information;

Initial volume as 2.0 L
Initial temperature as 60.0°C
New volume as 30.0 °C

We are required to determine the new volume;

From Charles's law;

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

Where, $V_1 and V_2$ are initial and new volume respectively, while $T_1 and T_2$ are initial and new temperatures respectively;

$T_1= 333 K$

$T_2=303K$

$V_1 =2.0L$

Rearranging the formula;

$V_2=\frac{V_1T_2}{T_1}$

$= \frac{(2.0L)(303K)}{333K} \\=1.820 L$

Therefore, the new volume that would be occupied by the gas is 1.82 L

7 0

2 years ago

True or false, The atomic number of an element is a whole number that decreases as you read across each row of

torisob [31]

Answer:

I believe it's false because the atomic number is the number of protons in the nucleus of an atom.

5 0

2 years ago

The two methods in the lab for measuring the volume of a geometric solid object are weighing it on the balance and measuring it

Yakvenalex [24]

Answer:

Measuring with a ruler and using final volume minus initial volume

Explanation:

You can measure the volume of a geometric object by measuring its sides with a ruler and calculating the volume according to the corresponding formula for each object. For example, for a rectangular prism it would be

$volume=length*width*height$

You can also measure the volume of an object by measuring how much water it displaces. To do this you have to fill a measuring cylinder with enough water for the object to be completely submerged and take note of the volume. Then, add the object and note again the volume of the water+object. The difference between both is the volume of the object.

$Volume of the object= volume of water and object - volume of water$

The advantage of the second method is that it can be used for objects with irregular shapes as long as they do not float.

8 0

3 years ago