Chemistry
Chemistry, 29.09.2019 09:30, 861819

When 25ml of 0.30m solution is diluted to 50 m l , the new concentration is:

0.10m
0.60m
0.15m
0.30m

answer
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 10:30, Wookas8355
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
Answers: 2
image
Chemistry, 22.06.2019 18:10, pearfam98
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
image
Chemistry, 22.06.2019 20:00, AaronEarlMerringer
What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol
Answers: 1
image
Chemistry, 22.06.2019 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Do you know the correct answer?
When 25ml of 0.30m solution is diluted to 50 m l , the new concentration is:

0.10m

Questions in other subjects:

Konu
English, 05.02.2021 21:30