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Marrrta [24]
3 years ago
13

What astronomical equiptment did hypatia use?

Chemistry
1 answer:
abruzzese [7]3 years ago
8 0
Hypatia used an astrolabe.

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Which is a polar molecule?
fenix001 [56]
A) nitrogen tricloride
8 0
4 years ago
If you have 8.5 moles of water (H2O), how many grams of water do you have?
Flura [38]

Answer: i think it is 144.16

Explanation:

3 0
3 years ago
Equation for the reaction btn nitric acid and metal X whose valence is 3​
viva [34]
(a) Reaction of nitric acid with non-metal:
C+4HNO
3
​
⟶CO
2
​
+2H
2
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O+4NO
2
​

S+6HNO
3
​
⟶H
2
​
SO
4
​
+2H
2
​
O+6NO
2
​

(b) Nitric acid showing acidic character:
K
2
​
O+2HNO
3
​
⟶2KNO
3
​
+H
2
​
O
ZnO+2HNO
3
​
⟶Zn(NO
3
​
)
2
​
+H
2
​
O
(c) Nitric acid acting as oxidizing agent
P
4
​
+20HNO
3
​
⟶4H
3
​
PO
4
​
+4H
2
​
O+20NO
2
​

3Zn+8HNO
3
​
⟶3Zn(NO
3
​
)
2
​
+4H
2
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O+2NO

hope that helps you please mark brainliest
3 0
3 years ago
What is the mass in 0.25 mol of SO2
gulaghasi [49]

0.25 mols SO₂ x 64.058 g SO₂/ 1 mol SO₂ = 16.0145 g SO₂

molar mass of SO₂: 64.058 g

answer: 16 grams of SO₂ (2 sig figs)

check the question to see if its asked for a specific unit for mass (grams or kilograms, if they asked for kiligrams then convert 16 grams to kilograms by dividing it by 1000)


5 0
3 years ago
Which of the following is an example of an observation?
Bess [88]
THE ANSWER TO THE QUESTION IS A
8 0
3 years ago
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