subject

Chemistry, 29.01.2021 03:00 JeroMii

Do you think people had energy a long time ago, before modern times?

ansver

Answers: 2

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 03:00

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Answers: 3

question

Chemistry, 22.06.2019 03:30

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Answers: 1

question

Chemistry, 22.06.2019 10:00

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?

Answers: 1

question

Chemistry, 22.06.2019 13:50

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

Answers: 3

You know the right answer?

Do you think people had energy a long time ago, before modern times?...

Questions

question

Chemistry, 09.10.2020 01:01

A boy rubs two balloons against his sweater. One balloon acquires a charge of 3.0 E -6 C. The other balloon acquires a charge of 2.5 E -7 C. If the ba...

question

Mathematics, 09.10.2020 01:01

So far this season, a team has won 51 out of 68 games. Identify the values of a, b, c, and d that complete the bar diagram for this situation. a = b =...

question

Spanish, 09.10.2020 01:01

En el Caribe, muchos practican una religión con aspectos de religiones africanas combinados con prácticas de otra religión. Es . (1 point) el mal de...

question

English, 09.10.2020 01:01

Tourist who are paid money for the Safari were packed into a bus like sardines in a can which statement is this the sentence features figure language...

question

Mathematics, 09.10.2020 01:01

Devon wants to write an equation for a line that passes through 2 of the data points he has collected. The points are (8, 5) and (–12, –9). He writes...

question

Chemistry, 09.10.2020 01:01

Which is the process by which a solid changes to a liquid? condensation evaporation melting sublimation...

question

Business, 09.10.2020 01:01

Which of the following demonstrates active listening while receiving constructive criticism well?...

question

Mathematics, 09.10.2020 01:01

Write the explicit rule for the following sequence. 2, 8, 14, ......

question

Mathematics, 09.10.2020 01:01

Write down in terms of n, an expression for the nth term of the following sequences: a) 2 5 8 11 14 b) 9 11 13 15 17...

question

Biology, 09.10.2020 01:01

Which is not a characteristic of all living organisms? a. breathing b. reproduction c. movement d. growth...

question

World Languages, 09.10.2020 01:01

Which statement from The Number Devil best reveals that the author is using the number devil's character to promote a positive view of mathematics? "M...

question

English, 09.10.2020 01:01

Answer the following question in 1-2 complete sentences: Why is it important to include citations in an essay?...

question

Biology, 09.10.2020 01:01

Which statement describes what the scientist should do with his data? O He should test two variables to see if he gets the same outcome.

question

Biology, 09.10.2020 01:01

A type of plant that produces red flowers is crossed with a plant that produces white flowers. The alleles for flower color exhibit incomplete dominan...

question

Mathematics, 09.10.2020 01:01

A paragraph proof uses inductive reasoning to prove a statement. contains a table with a logical series of statements and reasons. uses a...

question

Social Studies, 09.10.2020 01:01

Read the sentence below and answer the question that follows. When a country’s economy becomes more developed, the standard of living usually increas...

question

History, 09.10.2020 01:01

Which of the following was NOT a colonial grievance listed in the Declaration of Independence? options:"He has dissolved Representative Houses...

question

Chemistry, 09.10.2020 01:01

(02.06 MC) The table compares some characteristics of two atoms. Charged Particles Atom Number of Neutrons Mass Number X 10 19 Y 8 16 Use the table to...

question

History, 09.10.2020 01:01

Which of the following was repealed completely after the boycotts and violence against Thai...

question

Mathematics, 09.10.2020 01:01

HELP ASAP Measure the angles of ∆ABC and its three images, and record the measurements in the table. Round each answer to the nearest degree.

More questions: Chemistry Another questions

Questions on the website: 13722360