Recent questions in Chemistry

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Why is soap so effective at killing microorganisms?

Olex asked Feb 23, 2023

by Olex

8.0k points

1 answer

15 votes

31.2k views

Which of the following is true?

MuffinTheMan asked Feb 23, 2023

by MuffinTheMan

8.3k points

1 answer

24 votes

65.7k views

Which phrase describes faults? -cause gaps in the geologic record -cause rocks to break and move -are older than surrounding rocks -are igneous rocks that form beneath Earth’s surface

Dotnethaggis asked Feb 23, 2023

by Dotnethaggis

7.5k points

2 answers

1 vote

34.7k views

Why were some missionaries killed if they meant no harm but simply did charitable work

Gluttton asked Feb 22, 2023

by Gluttton

7.5k points

1 answer

11 votes

224k views

Each iron atom has a mass of about 9 × 10–23 grams. Even a small grain of iron has an incredible number of atoms in it—about 1 x 1018 atoms in one grain. Which of these is most similar to the number of

Karobar asked Feb 22, 2023

by Karobar

7.7k points

1 answer

8 votes

206k views

Calculate the molecular mass of glucose

Senbon asked Feb 22, 2023

by Senbon

9.0k points

1 answer

1 vote

68.7k views

How do you find the core electrons of the elements in the periodic table?

Ha Dang asked Feb 22, 2023

by Ha Dang

8.7k points

1 answer

9 votes

182k views

Read the following summary, which describes a body process. Then, answer the question. Air enters the nasal cavity. It goes into the pharynx and moves into the trachea. Air enters the right and left bronchus,

Runesoerensen asked Feb 22, 2023

by Runesoerensen

8.0k points

1 answer

18 votes

135k views

4Na (s) + O2 (g) - 2Na20 (s) What mass of oxygen will react with 11.5 g of sodium? (A, values: 0 = 16, Na = 23)

Jae Woo Woo asked Feb 21, 2023

by Jae Woo Woo

8.4k points

1 answer

21 votes

118k views

Which of these describes “Al”?

Andrei Surdu asked Feb 21, 2023

by Andrei Surdu

7.6k points

1 answer

5 votes

48.2k views

The circumference of a circle is 6.28 millimeters. What is the circle's diameter? Use 3.14 for pie

MIWMIB asked Feb 21, 2023

by MIWMIB

7.5k points

1 answer

24 votes

201k views

A word that means the living part of an ecosystem?

Gyhth asked Feb 21, 2023

by Gyhth

7.9k points

2 answers

16 votes

131k views

How can we find electronic acording to boher atomic modrl

Vahab Ghadiri asked Feb 21, 2023

by Vahab Ghadiri

7.7k points

1 answer

9 votes

220k views

The characteristics of an air mass depend mainly upon the a- Rotation of earth b- Cloud cover within the air mass c- Wind velocity within the air mass d- Surface over which the air mass was formed.

Vambo asked Feb 20, 2023

by Vambo

8.4k points

1 answer

21 votes

46.1k views

A 18. Why is water treatment essential? O water is a shared resource. We make water dirty. Water is a natural resource. O water is a limited resource.

Yogster asked Feb 20, 2023

by Yogster

7.8k points

1 answer

23 votes

185k views

100 POINTSSSSS As you walk into the laboratory, you find a white solid crystal substance labeled as "unknown solid #6." In one paragraph, using your own words, describe tests that could be completed on

Dan Getz asked Feb 20, 2023

by Dan Getz

8.1k points

1 answer

6 votes

52.0k views

Which interaction occurs when light bounces off of a surface?(2 points) Absorption Reflection Refraction Separation HELLLLLPPP

NHK asked Feb 19, 2023

by NHK

8.0k points

2 answers

15 votes

42.1k views

Why is gravity important here on earth?

DDub asked Feb 19, 2023

by DDub

7.8k points

1 answer

22 votes

173 views

Which equation is balanced? * O Al + CuO -> Al2O3 + Cu O. 2A1 + CuO -> A1203 + 3Cu Al + 3CuO --> Al2O3 + 3Cu O2A1 + 3CuO -> A1203 + 3Cu

Lutando asked Feb 19, 2023

by Lutando

7.5k points

2 answers

25 votes

111k views

9. Each student in a science class of 25 performed the same experiment. Each student shares their data and it is recoded on a class data table. Tamara compared the data that she personally collected in

Lijo asked Feb 19, 2023

by Lijo

7.9k points

1 answer

14 votes

151k views

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