subject

Chemistry, 16.10.2019 10:00 torquishag

What is an element considered a pure substance?

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 21.06.2019 22:30

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Answers: 2

question

Chemistry, 22.06.2019 06:30

Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?

Answers: 1

question

Chemistry, 22.06.2019 09:00

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Answers: 2

question

Chemistry, 22.06.2019 12:30

What metric units would you use to measure the thickness of a key

Answers: 3

You know the right answer?

What is an element considered a pure substance?...

Questions

question

Physics, 30.08.2019 23:30

How long can you keep string cheese in the fridge?...

question

Biology, 30.08.2019 23:30

What is the definition of predation?...

question

Mathematics, 30.08.2019 23:30

Iagram shows revenue from federal income taxes. federal tax revenueindividualincome tax9%9%payroll taxes42%corporate40%income taxotherwhat does the di...

question

Biology, 30.08.2019 23:30

Location b is a. egypt b. canaan c. mediterranean sea d. syrian desert...

question

English, 30.08.2019 23:30

Read the third stanza of "song of myself." my tongue, every atom of my blood, form’d from this soil, this air, born here of parents born here fr...

question

Mathematics, 30.08.2019 23:30

Given that ∠abc ≅ ∠dbe, which statement must be true? ∠abc ≅ ∠abd ∠abd ≅ ∠cbe ∠cbd ≅ ∠dbe ∠cbd ≅ ∠abc...

question

Mathematics, 30.08.2019 23:30

Sir john franklin was an explorer who traveled in canada an the united states. he was 33 years old when he began exploring northwestern canada. in a s...

question

Geography, 30.08.2019 23:30

All of the following are negative effects of deforestation except a. decreased erosion b. increased desertification c. reduced wate...

question

Mathematics, 30.08.2019 23:30

Rahzel wants to determine how much gasoline he and his wife use in a month. he calculated that he used 78 1/3 gallons of gas last month. rahzel's wife...

question

Biology, 30.08.2019 23:30

What are the consequences of having pyrimidine dimers in dna? 1. they form an extra phosphodiester bond between them. 2. they create an apyrimidinic...

question

History, 30.08.2019 23:30

Use the terms strait and circumnavigate to write a sentence about overseas exploration....

question

Physics, 30.08.2019 23:30

Which of the following is not one of the observed characteristics of our solar system? all planets go in the same circular direction all...

question

History, 30.08.2019 23:30

What was the major purpose of the spanish fort? to convert the native americans to catholicism to protect the spanish territory from the french to co...

question

Biology, 30.08.2019 23:30

What are sustainable use practices? a. they are any materials that exist in nature and that are used by humans. b. they are the managed c...

question

Social Studies, 30.08.2019 23:30

Radical terrorists who use fear tactics to intimidate those with whom they disagree ideologically are examples of movements...

question

English, 30.08.2019 23:30

Can someone just answer the question...

question

History, 30.08.2019 23:30

(i can't post the pic for some reason but its just crouds gather in a city.) the photograph shows a crowd gathered on wall street after an event...

question

Physics, 30.08.2019 23:30

If the tension in a rope is increased what will happen to the speed of the wave traveling through the rope...

question

Mathematics, 30.08.2019 23:30

The tires mary wants to buy for her car cost $200 per tire. a store is offering the following deal. buy a tire and get the 4th tire for 75% off!...

question

Biology, 30.08.2019 23:30

What role do humans play in the food web?...

More questions: Chemistry Another questions