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strojnjashka [21]
3 years ago
6

Which choice below would affect the rate of reaction in the opposite way from the other four?

Chemistry
1 answer:
bulgar [2K]3 years ago
4 0
Adding a catalyst as this would speed up the reaction and the rest would slow it down
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What are the limitations of litmus paper and phenolphthalein indicators? Name two other indicators that can be used that do not
ra1l [238]

False reading may be obtained if there is a run over from adjacent reagent area in excessively wetted strips

Phenolphthalein only works efficiently from 4 to 10 ph

Litmus and phenolphthalein and methyl orange indicators can only allow you to tell if solution is alkaline,neutral or acidic

The two indicators with less limitations are methyl orange and thymol blue

7 0
3 years ago
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In the reaction 2co ( g) + o2( g) → 2co2( g), what is the ratio of moles of oxygen used to moles of co2produced?
KIM [24]
In the reaction 2co ( g) + o2( g) → 2co2( g), the ratio of moles of oxygen used to moles of co2produced is 1:2.
8 0
3 years ago
Which is a positive effect of the technology advance of going from a compass to a gps
egoroff_w [7]

Answer:

Compass - Gps                              

Explanation:

I belive the pro's                                      and cons are

                                         GPS             you are trusting a little man made device

the direction you                               to give you directions

are going on                                        and that it won't break or die

a device not a paper map

                                                Compass

You can see north east south and              it is usually carefully crafted for                                                                                                                                                                          o                                                                     outdoors but it has no roads and

west on the compass and                          if given no directions, extremely

you can see the roads follow directions                  confusing until you learn it

like go south then east.

4 0
3 years ago
Ions are atoms that have gained or lost which subatomic particles?
Bad White [126]
Protons cannot be lost without the atoms becoming an entirely different element. Elements can infact have different numbers of neutrons within the same element, but neutrons are not related to the electrical charge. The answer is c. electrons.
7 0
3 years ago
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A liquid occupies a volume of 5.0 L has a mass of 6.0 kg. what is the density of a the lights in kg/L
grandymaker [24]

Answer:

Hey there! :

Volume = 5.0 L

mass = 6.0 Kg

Therefore:

Density = mass / Volume

Density = 6.0 / 5.0

Density = 1.2 kg/L

6 0
3 years ago
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