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weqwewe [10]
3 years ago
12

True or False. Mixing of baking soda with sugar is a chemical change.​

Chemistry
2 answers:
JulijaS [17]3 years ago
8 0

The answer is -- False

MaRussiya [10]3 years ago
6 0
False is the answer your looking for
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Which of the following is an example of an element? a brass b oxygen c rust d water
Anna [14]

Answer:Water because it is an element

8 0
3 years ago
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How many significant figures<br> are in this number?<br> 43.55
leva [86]

Answer:

4 significant figures

Explanation:

Significant figures are the units/digits within a number that make the number more accurate and precise.

All digits (except for 0) are always significant. Therefore, all the digits in 43.55 are significant. Since there are 4 digits in the given number, there are 4 significant figures.

7 0
1 year ago
If you had 6 moles of CaCl2 and 5 moles of Na3PO4, which of these would be the limiting and excess reactant
faltersainse [42]

Answer:

Na3PO4 is excess reactant, CaCl2 is limiting reactant.

Explanation:

                                      3CaCl2 + 2Na3PO4 ---> Ca3(PO4)2 + 6NaCl

from reaction :              3 mol        2 mol

given:                            6 mol         5 mol (X)

X = (6*2)/3 = 4 mol Na3PO4

For 6 mol CaCl2 we need 4 mol Na3PO4, but  we have 5 mol Na3PO4,

Na3PO4 is excess reactant, so CaCl2 is limiting reactant.

8 0
3 years ago
A substance is present in the gaseous state at room temperature. Which of the following best explains the probable position of t
Gnoma [55]

Answer:

D.) It is between groups 13 to 18 because it is a non-metal.

Explanation:

Here we can see the periodic table and what each element is.

It is a non - metal because it is gaseous.

3 0
3 years ago
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How does the neutron number in each compare
tester [92]

Answer:

Neutrons are all identical to each other, just as protons are. Atoms of a particular element must have the same number of protons but can have different numbers of neutrons.

Explanation:

Since the vast majority of an atom's mass is found its protons and neutrons, subtracting the number of protons (i.e. the atomic number) from the atomic mass will give you the calculated number of neutrons in the atom. In our example, this is: 14 (atomic mass) – 6 (number of protons) = 8 (number of neutrons).

5 0
3 years ago
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