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Blizzard [7]
3 years ago
9

If D+2 would react with E-1, what do you predict to be the formula?

Chemistry
1 answer:
harkovskaia [24]3 years ago
8 0

Answer:

DE2

Explanation: for every one D+2 you need two E-1 because +2=-2

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did this and got 8.3 x 10-5 can someone help me figure out how i got this wrong since these are the only answer choices?
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It is b i think bc it looks like it would be it and my tudor helped me
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2 years ago
Two common materials we encounter in our daily lives are radiator coolant in automobiles and dry ice. The coolant in an automobi
Yuki888 [10]

Answer:

See explanation

Explanation:

Using the formula

°C = (F-32) × 5/9

Where;

°C = temperature in degrees centigrade

F= temperature in Fahrenheit

F= (9/5 ×°C) +32

F= (9/5 × 110) + 32

F= 230°F

To convert -78°C to Kelvin

-78°C + 273 = 195 K

3 0
4 years ago
Hydrogen has three isotopes, 1H, 2H, and 3H. What is the difference between these three isotopes?
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C... The number of neutrons ranges from 1H with 0 neutron, 2H with 1 neutron and 3H with 2 neutrons.
6 0
3 years ago
Read 2 more answers
Find the pH of 8.4x10^-8 M HCl. Report the answer to the hundredths place.
Hunter-Best [27]

Answer:

pH = 7.08

Explanation:

HCl ---------> H^+ + Cl^-

It's an acid, we are using this formula

pH = -log [H]^+

H^+ = 8.4 * 10^-8

pH = - log [8.4 * 10^-8]

It can also be solved as

-log 8.4-(-8log 10)

-0.924-(-8×1)

-0.924+8

7.076

To the nearest hundredth

pH = 7.08

8 0
3 years ago
What is the relationship between developed land, population and resource use?
givi [52]

Explanation:

While both developed and developing countries have contributed to global environmental problems, developed countries with 85% percent of the gross world product and 23% of its population account for the largest part of mineral and fossil-fuel consumption, resulting in significant environmental impacts

3 0
2 years ago
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