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Vlada [557]
3 years ago
15

How many hydrogens are in the following formula? H₂

Chemistry
1 answer:
harina [27]3 years ago
8 0

Answer:

2 I'm vewy smart and I think I should get brianliest

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Why does the concentration of a product increase as the amount of the reactant decreases? (More 10+ pt questions on profile)
skad [1K]
As reactant concentration decreases, the forward. reaction slows. As product concentration increases, the reverse reaction becomes faster. The forward. reaction will continue to slow and the reverse reaction will continue to increase until they are the same.Then the situation will be at equilibrium.
8 0
3 years ago
A student finds a piece of metal that she thinks is aluminum. She finds the volume to be 245 cm^3 and the mass to be 612 grams.
natta225 [31]

Answer:

Density = 2.5 g/cm³ , The metal is aluminium.

Explanation:

Density is defined as the ratio of the mass and the volume

Thus,

Density=\frac {Mass}{Volume}

Given that:

Mass  = 612 grams

Volume = 245 cm³

Thus, Density is:

Density=\frac {612}{245}\ g/cm^3

<u>Density = 2.5 g/cm³</u>

Metals are shiny with high density.

<u><em>The density of aluminium falls is approx 2.6 g/cm³ and not other metal's density falls in this range. </em></u>

<u><em>The metal is aluminium.</em></u>

<u><em></em></u>

3 0
4 years ago
A student carries out the same titration but uses an indicator instead of a pH meter. If the indicator changes color slightly pa
creativ13 [48]

Answer:

Too high a value

Explanation:

HA + NaOH ⟶ NaA +H₂O

If the student has gone slightly past the equivalence point, they have added too much base.

The moles of HA are directly proportional to the moles of NaOH, so the moles of acid that the student calculates will be too high.

The calculated concentration of acid will also be too high.

4 0
4 years ago
Hii pls help me to balance the equation thanksss​
Effectus [21]

Answer:

I hope the link above will be helpful

5 0
3 years ago
Read 2 more answers
What basic law of chemical reactions do nuclear reactions break
zhuklara [117]
The law conservation of mass, because part of the mass can be converted into energy
also, the elements are changing during nuclear reactions, new elements are formed 
4 0
3 years ago
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