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Aleksandr-060686 [28]
3 years ago
7

I need help on the question will mark brainliest!!

Chemistry
2 answers:
MatroZZZ [7]3 years ago
4 0

Answer:

Satellites

Explanation:

I just took the quiz

slava [35]3 years ago
3 0

Answer:

satellites

Explanation:

hope this is helpful

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The best thermometer to use where temperatures drop below -39°C (-38.2°F) is:_______.
xxTIMURxx [149]

Answer:

The best thermometer to use for this temperature is the alcohol-in-a -glass thermometer.

Explanation:

The alcohol thermometer is a type of thermometer which uses ethanol as its thermometric liquid. This has some advantages at low temperatures because ethanol freezes at about −114.9 °C  that is (−174.82 °F).

Due to its low freezing point, it can still function effectively as a thermometric liquid, expanding and contracting properly based on the applied heat,  when dealing with temperature measurements that are at about -38.2°F.

4 0
4 years ago
Calculate the concentration of hydrochloric acid if 225.0 mL of this acid is neutralized by 120.0 mL of 2.0m sodium hydroxide A.
timurjin [86]
M1V1 = M2V2
225M1 = (2)(120)
225M1 = 240
M1 = 240/225 = 1.066 M C
5 0
3 years ago
BRAINLIESTT ASAP! PLEASE HELP :)
Nadya [2.5K]

Hello, and this is my own words Periodic trends are specific patterns in the properties of chemical elements that are revealed in the periodic table of elements. Major periodic trends include electronegativity, ionization energy, electron affinity, atomic radii, ionic radius, metallic character, and chemical reactivity.

Hope This Helps. and have good day!

3 0
3 years ago
Which of the statements describes a chemical property?
Artyom0805 [142]

Antacid tablets neutralize  stomach acid. Good luck!

8 0
4 years ago
Read 2 more answers
A red sports drink contains Red 40 dye. A 5.4 mL aliquot of this sports drink was diluted to 25.0 mL with deionized water in a v
miskamm [114]

Answer:

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

Explanation:

Concentration of red dye in sport drink before dilution C_1=?

Volume of the sport drink before dilution V_1=5.4 mL

Concentration of red dye in sport drink after dilution C_2=18.1 ppm

Volume of the sport drink after dilution V_2=25.0 mL

C_1V_1=C_2V_2( dilution )

C_1=\frac{C_2V_2}{V_1}=\frac{18.1 ppm\times 25.0 mL}{5.4 mL}

C_1=83.80 ppm\approx 84.0ppm

84.0 ppm is the concentration of Red 40 dy in the original sports drink.

6 0
3 years ago
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