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QveST [7]
2 years ago
11

What is the maximum number of covalent bonds an element with atomic number 8 can make with hydrogen?

Chemistry
1 answer:
dem82 [27]2 years ago
7 0
The correct answer is 2
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18) Why are the large oak trees so important for storks? Where are<br> they found?<br> 1
Anon25 [30]

Answer: Storks are found in medium to tall trees that occur in stands located either in swamps or on islands ... also an important feeding habitat for the nesting birds. ... six percent in dead oaks

Explanation: There important because Storks only live in these types of trees

Vote me for brainliest!!!!

8 0
2 years ago
1.00-degree increase on the Celsius scale is equivalent to a 1.80-degree increase on the Fahrenheit scale. The temperature of a
castortr0y [4]
48.0°C×1.80 = 86.4°F
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2 years ago
For many purposes we can treat methane (CH) as an ideal gas at temperatures above its boiling point of - 161. °C. Suppose the te
AysviL [449]

Answer:

Explanation:

T₁ = 100 + 273 = 373K

T₂ = 273 + 119 = 392 K

V₁ = initial volume

V₂ = Final volume

P₁ = P₁

P₂ = .85P₁

Using gas law equation

\frac{P_1\times V_1}{T_1} =\frac{P_2\times V_2}{T_2}

= \frac{P_1\times V_1}{373} =\frac{.85P_1\times V_2}{392}

V₂ = 1.236 V₁

% increase in volume

= V₂-V₁ / V₁  x 100

= (1.236 V₁ - V₁ / V₁)x 100

= .236 x 100

= 23.6 % .

5 0
2 years ago
Iron-59 is used in medicine to diagnose blood circulation disorders. The half life of iron-59 is 44.5 days. How much of a 2.000
kolezko [41]

Answer:

0.258 mg of iron remains.

Explanation:

To solve this problem we can use the formula

M₂ = M₀ * 0.5^{\frac{t}{44.5} }

Where M₂ is the mass remaining, M₀ is the initial mass, and t is time in days.

Using the data given by the problem:

M₂ = 2.000 mg * 0.5^{\frac{133.5}{44.5} }

M₂ = 0.258 mg

7 0
2 years ago
How are exothermic and endothermic reactions linked in the process of refining metal ore?
Alex777 [14]
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6 0
2 years ago
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