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oksano4ka [1.4K]
2 years ago
11

How do you write 400000 in scientific notation?

Chemistry
2 answers:
Sidana [21]2 years ago
7 0
4x10^2 pls brainliest me
Andrej [43]2 years ago
6 0

Answer:

4 x 10 5

Explanation:

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Which type of chemical model shows the bond angle and bond length between atoms and compounds?
ELEN [110]

A molecular structure also shows the bond angle and the Bond length between different atoms in a compound.

8 0
3 years ago
3Al + 3NH4ClO4 → Al2O3 + AlCl3 + 3NO + 6H2O<br> How many moles of AlCl3 are produced?
zhuklara [117]

Answer: 1 mol of AlCl_3 will be produced from this reaction.

Explanation: Reaction follows,

3Al+3NH_4ClO_4\rightarrow Al_2O_3+AlCl_3+3NO+6H_2Oc

As seen from the balanced chemical equation above, we get

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 1 mole of Al_2O_3 is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 1 mole of AlCl_3 is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 3 moles of NO is formed.

For every 3 moles of Aluminium and 3 moles of NH_4ClO_4, 6 moles of H_2O is formed.

7 0
3 years ago
Read 3 more answers
What is an alkali metal with fewer than 10 protons in its nucleus?
Trava [24]

Answer:

            Lithium

Explanation:

                  Alkali metals are group of metals which are present in first group of periodic table. As we know atomic number is equal to number of protons contained by a particular element. Therefore, the alkali metals along with there number of protons are listed below;

Alkali Metal                                         Number of Protons

Lithium                                                               3

Sodium                                                             11

Potassium                                                         19

Rubidium                                                         37

Cesium                                                             55

Francium                                                          87

Hence, it is cleared from above table that Lithium is having fewer protons than 10.

6 0
3 years ago
Which cools faster, magma or lava?
yuradex [85]
Lava


snansnsans
a
anajansnanana
8 0
2 years ago
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Round 0.007062 to 4 significant numbers
mafiozo [28]

Answer

its already rounded

Explanation:

8 0
3 years ago
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