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natita [175]
3 years ago
9

Which of these two statements meets the criteria of a

Chemistry
1 answer:
motikmotik3 years ago
4 0
Hypothesis is a prediction made therefore it is a
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Need help with this asap please.
Naddik [55]

Answer:

its upside down

Explanation:

4 0
3 years ago
A calorimeter weighing 123.7g has a quantity of 20C water added to it. The combined mass of the calorimeter + cold water is 198.
miskamm [114]

Answer:

The calorimeter constant would be 567.62 J/C

Explanation:

Message me for extra explanation.

snap- parkguy786

6 0
3 years ago
A certain element has a melting point over 700 ∘c and a density less than 2.00 g/cm3. give one possible identity for this elemen
Hunter-Best [27]

A melting point of over 700 C and a density of less than 2 g/cm3 can be observed for many group 2 elements. In this group, the density increases on moving down the group, whereas the melting point increases upto calcium and then starts decreasing.

Calcium, symbol Ca is the element with melting point around 840 C and density of 1.55 g/cm3 which is closest to the specified data range .

3 0
4 years ago
What is the mass of 6.02 x 1022 atoms of Xenon? HELP!!!!!
il63 [147K]
So 6.02*10^22 is avogadro constant, which is the amount of atoms in one mole. If you look Xenon up in the periodic table you will find it's mass given <span>131,293, which is grams per 1 mole. 

</span>
8 0
3 years ago
CO2 + H2O -------&gt; H2CO3 balance and classify this equation
borishaifa [10]
CO2 + H2O = H2CO3
<span>
Your equation is already balanced, and the reaction type is: </span><em><u>synthesis.</u></em>
6 0
4 years ago
Read 2 more answers
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