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nadya68 [22]
3 years ago
13

Which two types of information are found in an element's box in the periodic

Chemistry
2 answers:
storchak [24]3 years ago
6 0

Answer:

Explanation:

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asambeis [7]3 years ago
4 0

Answer:

The answer is B and D.

Explanation:

prove me wrong

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Earth’s orbit around the Sun is determined by the balance of the Sun’s gravitational pull on Earth and Earth’s forward momentum
Andru [333]

Answer:

Earth would stop orbiting the Sun and begin moving in a straight line.

Explanation:

3 0
2 years ago
How much heat (in Joules) is needed to raise the temperature of 257g of ethanol (cethanol=2.4 J/g°C) by 49.1°C?
Sonbull [250]

Answer:

Q = 30284.88 j

Explanation:

Given data:

Mass of ethanol = 257 g

Cp = 2.4 j/g.°C

Chnage in temperature = ΔT = 49.1°C

Heat required = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

Now we will put the values in formula.

Q = 257 g× 2.4 j/g.°C × 49.1 °C

Q = 30284.88 j

8 0
3 years ago
What happens if the metal you throw in is MORE REACTIVE than the<br> metal ion in solution?
IRISSAK [1]
A displacement reaction Would occur in this situation
6 0
3 years ago
When cooking frozen cheese ravioli, the directions say to put the 255 grams of filled pasta into 3 quarts of boiling water. why
kondaur [170]
<span>When cooking frozen cheese ravioli, you should use three quarts of water instead of one so that the raviolis have room to move around in the boiling water and so that while they are moving around, they will not stick to each other or the pan.</span>
8 0
3 years ago
Match: Substance ....... Definition Lewis acid A. Provides H+ in water Bronsted-Lowry base B. Provides OH - in water Arrhenius b
Igoryamba

Answer: F.    Electron pair acceptor

Explanation:

A Lewis acid can be properly defined as any substance such as  H+ (hygrogen ion) that can accept a pair of electron.

While a Lewis base is any substance such as (OH-) that can donate a pair of electron.

In the neutralization reaction between an acid ( H+ ) and a base (OH-). Hydrogen ion (H+ ) is the Lewis acid because it accepts an electron pair from (OH-).

Other examples of Lewis acid are;  Mg2+, K+

3 0
3 years ago
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