All categories

3 years ago

1.) What is this group of words?

Chemistry

1 answer:

astra-53 [7]3 years ago

8 0

Answer:

1. Answer: A, <em>a good sentence</em>

2. Answer: D, <em>fragment</em>

3. Answer: D, <em>fragment</em>

Explanation:

the first sentence is a complete thought, it has a subject and a verb. Both 2 and 3 are fragments, or the beginnings of sentences.

You might be interested in

Analyze the reaction to determine whether the

Bumek [7]

Answer: Exothermic

Explanation: Looking at the graph, you see that the reaction started with more energy than it ended with, meaning it gave out its energy over the course of the reaction. This is also confirmed by the reaction equation, which shows the energy (891 kJ) on the right side of the equation.

6 0

4 years ago

Read 2 more answers

How are sound waves can be used for various applications

kykrilka [37]

Answer:

Sound waves are used for measurement in hertz.

Explanation:

6 0

3 years ago

Elements are organized into groups / families according to their physical and chemical properties. Identify the elements that's

Kryger [21]

Answer:

1 valence - Alkali Metals: Li Lithium, Na Sodium, K Potassium

2 valence - Alkaline Earth Metals: Be Beryllium, Mg Magnesium, Ca Calcium

3 valence - Non-metals: B Boron, Al Aluminium

4 valence - Non-metals: C Carbon, Si Silicon

5 valence - Non-metals: N Nitrogen, P Phosphorus

6 valence - Non-metals: O Oxygen, S Sulfur, Se Selenium

7 valence - Halogens: F Fluorine, Cl Chlorine, Br Bromine

8 valence - Noble Gases: He Helium, Ne Neon, Ar Argon

3 0

4 years ago

Explain why atoms are always neutral in charge.

solniwko [45]

"Atoms have an equal proton and neutron charge."

5 0

3 years ago

After standardizing a NaOH solution, you use it to titrate an HCl solution known to have a concentration of 0.203 M. You perform

jek_recluse [69]

Answer:

0.203 is the mean of the concentration of the HCl solution

Explanation:

You have 5 concentrations. The most appropiate result is the mean of those results. The mean is a statistical defined as the sum of each result divided by the total amount of results. For the results of the problem, the mean is:

0.210 + 0.204 + 0.201 + 0.202 + 0.197 = 1.014 / 5 =

<h3>0.203 is the mean of the concentration of the HCl solution</h3>

8 0

3 years ago