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TEA [102]
3 years ago
13

Which igneous rock is an extrusive rock?​

Chemistry
1 answer:
maria [59]3 years ago
6 0
Basalt, rhyolite, andesite, and obsidian could all be answers.
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A bottle containing 415 g of cleaning solution is used to clean hospital equipment. If the cleaning solution has a specific grav
neonofarm [45]

Answer: 483 mL of the cleaning solution are used to clean hospital equipment

Explanation:

The question requires us to calculate the volume, in mL, of solution is used to clean hospital equipment, given that 415g of this solution are used and the specific gravity of the solution is 0.860.

Measurements > Density

Specific gravity is defined as the ratio between the density of a given substance to the density of a reference material, such as water:

Specific\text{ gravity = }\frac{density\text{ of substance}}{density\text{ of reference substance}}

The density of a substance is defined as the ratio between the mass and the volume of this substance:

density=\frac{mass}{volume}

Considering the reference substance as water and its density as 1.00 g/mL, we can determine the density of the substance which specific gravity is 0.860:

0.860=\frac{density\text{ of substance}}{1.00g/mL}\rightarrow density\text{ of substance = 0.860g/mL}

Thus, taking water as the reference substance, we can say that the density of the cleaning solution is 0.860 g/mL.

Now that we know the density of the cleaning solution (0.860 g/mL) and the mass of solution that is used to clean hospital equipment (415g), we can calculate the volume of solution that is used to clean the equipment:

\begin{gathered} density=\frac{mass}{volume}\rightarrow volume=\frac{mass}{density} \\  \\ volume=\frac{415g}{0.860g/mL}=483mL \end{gathered}

Therefore, 483 mL of the cleaning solution are used to clean hospital equipment.

6 0
1 year ago
What is formed when a BASE dissociates in water, according to the Brønsted-Lowry definition?
Vlada [557]
The answer is a conjugate acid.
3 0
2 years ago
In your own words, describe the purpose of using a chemical equation.<br><br> PLEASEEEE HURRY
Soloha48 [4]

Answer:

Hey mate, here is your answer. Hope it helps you.

Explanation:

To show how substances in a chemical reaction interact and to keep track of all elements and the number of atoms in each element on each side of the equation.The purpose of writing a balanced chemical equation is to know: the reactants (starting material) and products (end results) that occur. the ratios in which they react so you can calculate how much reactants you need and how much products can be formed.

5 0
3 years ago
How would you compare/contrast energy with system
Lelechka [254]

Answer:

See which of your answer choices are comparable and what you can contrats them with

Explanation:

YEET

5 0
3 years ago
What is the solubility of NH4Cl at 50°C?
NISA [10]

Answer : Option E) 50 grams.

Explanation : According to the solubility curves the compound NH_{4}Cl to dissolve at 50 °C in 100 mL of water will need 50 grams of the compound. It is clearly indicated in the graph which is marked with red that at 50°C approximately 50.4 grams of the compound NH_{4}Cl will be needed to dissolved in 100 mL of water to form a solution.


8 0
3 years ago
Read 2 more answers
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