subject
Chemistry, 18.10.2020 07:01 triddi666

Please answer quickly! Match the element with its description.

questions::
a. sodium b. silicon c. bromine d. argon
choices::
a. nonreactive gas b. has properties of metals and nonmetals c. malleable, soft and shiny d. highly reactive gas

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:30, kiki197701
Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l
Answers: 3
image
Chemistry, 22.06.2019 07:50, chrismax8673
What material does not melt at any temperature
Answers: 2
image
Chemistry, 22.06.2019 18:00, kingamir
Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
Answers: 1
image
Chemistry, 22.06.2019 20:30, itzia00
Most metamorphosis processes take place
Answers: 1
You know the right answer?
Please answer quickly! Match the element with its description.

questions::
a. sod...

Questions in other subjects: