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Zanzabum
3 years ago
14

1. What are the characteristics of a gas?

Chemistry
2 answers:
Harman [31]3 years ago
8 0

Answer:

\boxed {\boxed {\sf \ Choice \ B }}

Explanation:

Gas particles possess a great amount of kinetic energy, and they move around rapidly to fill the container they are in. They are also unique for their high compressibility and the fact they occupy a lot of space.

Gas doesn't have a definite shape of volume. So, B (no definite shape or volume) is the correct answer.

Aneli [31]3 years ago
4 0
B is your answer here.
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The mass of proton<br>1) 1072* 10-28​
jasenka [17]

Answer:

Mass of proton is

<h2>1.6726219 × 10-27 Kg</h2>

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5 0
3 years ago
What does phenolphthalein turn pink?
Alex Ar [27]

Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. Phenolphthalein is slightly soluble in water and usually is dissolved in alcohols for use in experiments.

8 0
3 years ago
Be sure to answer all parts. Carbon dioxide (CO2) is the gas that is mainly responsible for global warming (the greenhouse effec
Elena L [17]

Answer:

1.60x10⁶ billions of g of CO₂

Explanation:

Let's calculate the production of CO₂ by a single human in a day. The molar mass of glucose is 180.156 g/mol and CO₂ is 44.01 g/mol. By the stoichiometry of the reaction:

1 mol of C₆H₁₂O₆ -------------------------- 6 moles of CO₂

Transforming for mass multiplying the number of moles by the molar mass:

180.156 g of C₆H₁₂O₆ ----------------- 264.06 g of CO₂

4.59x10² g ---------------- x

By a simple direct three rule:

180.156x = 121203.54

x = 672.77 g of CO₂ per day per human

So, in a year, 6.50 billion of human produce:

672.77 * 365 * 6.50 billion = 1.60x10⁶ billions of g of CO₂

5 0
3 years ago
How does increasing the temperature affect a reaction?
Luden [163]

Answer:A. An increase in temperature increases the reaction rate.

Explanation:because of the disproportionately large increase in the number of high energy collisions. It is only these collisions (possessing at least the activation energy for the reaction) which result in a reaction.

4 0
3 years ago
Identify the correct descriptions of beta particles.
FrozenT [24]

Answer:

a. A beta particle has a negative charge. d. A beta particle is a high-energy electron.

Explanation:

Identify the correct descriptions of beta particles.

a. A beta particle has a negative charge. YES. A beta particle is originated in the following nuclear reaction: ¹₀n ⇒ ¹₁H + ⁰₋₁e (beta particle.)

b. A beta particle contains neutrons. NO. It is a electron originated in the nucleus.

c. A beta particle is less massive than a gamma ray. NO. Gamma rays don't have mass while a beta particle has a mass which is half of one thousandth of the mass of a proton.

d. A beta particle is a high-energy electron. YES. Beta particles are nuclear originated hig-energy electrons.

6 0
3 years ago
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