Biology, 28.01.2021 18:50 Chris3529

The hydrogencarbonate indicator solution changes colour when the pH changes. At pH 8.4 it is red, at pH 7.4 it is yellow and at pH 9 it is purple. Predict the colour of the hydrogencarbonate indicator solution in the bottle nearest the lamp at the end of the investigation. Explain your answer. [3] Colour prediction: purple Explanation:

Answers: 3

Show answers

Another question on Biology

Biology, 22.06.2019 00:00

Name the part of the the brain labeled "e".

Answers: 1

Answer

Biology, 22.06.2019 02:30

Are the earth's ocean floor and continents the same age geologically? why or why not?

Answers: 1

Answer

Biology, 22.06.2019 04:30

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Answers: 2

Answer

Biology, 22.06.2019 13:50

2points what do bacteria have in common with the cells of other living organisms?

Answers: 2

Answer

You know the right answer?

The hydrogencarbonate indicator solution changes colour when the pH changes. At pH 8.4 it is red, at...

Questions

Mathematics, 18.08.2019 19:00

Two pizzas were each cut into sixths ashraf drew katie shared the pizzas equally how many sixths did eac on get...

History, 18.08.2019 19:00

The u. s.-installed government in afghanistan is considered by most political analysts to be...

History, 18.08.2019 19:00

How did t. eugene connor react to civil rights marchers in birmingham, alabama?...

Mathematics, 18.08.2019 19:00

The water level in a swimming pool increased from 4.5 feet to 6 feet. what is the percent increase in the water rounded to the nearest tenth of a perc...

English, 18.08.2019 19:00

which statement about the words "who" and "whom" is most accurate? a. "whom" is an object pronoun.c. the pronoun "whom" can't be use...

Mathematics, 18.08.2019 19:00

Write each of the following as a polynomial in descending powers of its variable 1. 7x(x+3) 2. (7x+1)(x+3) 3. (x²+x)²...

Social Studies, 18.08.2019 19:00

The term militarism can best be defined as...

History, 18.08.2019 19:00

Which was a reason some americans opposed ratification of the u. s. constitution?...

English, 18.08.2019 19:00

What are some euphemisms for being crazy?...

History, 18.08.2019 19:00

Which was not a principle that jawaharial nehru and gandi would have supported? unity democracy modernization religious fundamentalism...

Mathematics, 18.08.2019 19:00

Plz ! which mixed number and improper fraction are represented by the point m on the number line? a.4 2/3 and 8/3 b.4 2/3 and 14/3...

Social Studies, 18.08.2019 19:00

On may 5, 1868, in his capacity as commander-in-chief of the grand army of the republic, a veterans' organization, he issued a proclamation that "deco...

Social Studies, 18.08.2019 19:00

How many areas are bordered by water in...

History, 18.08.2019 19:00

Many mayas lost all of their belongings and were forced out of their villages during the civil war that raged in guatemala for more than years....

History, 18.08.2019 19:00

Why does paine begin his argument for independence with an attack on the principle of monarchy and hereditary succession?...

Mathematics, 18.08.2019 19:00

The school auditorium has 80 rows of seats. there are 50 seats in each row. what is the total number of seats in the chhool auditorium?...

Mathematics, 18.08.2019 19:00

Solve the following equation on the interval [0,2 \pi) cot(3x)=\sqrt{3}...

History, 18.08.2019 19:00

Which does not describe a benefit enjoyed in the mid-1800s by american cities that grew up along rivers? a. water power for mills and fac...

Mathematics, 18.08.2019 19:00

6cakes cost to pound £2.40 how much does 10 cakes cost?...

History, 18.08.2019 19:00

Who tried to restore order to the roman empire?...

More questions: Biology Another questions