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8_murik_8 [283]
3 years ago
15

How does publishing in scientific journals help ensure that science leads to

Chemistry
1 answer:
Scrat [10]3 years ago
6 0

Answer:

A. it allows results to be reviewed and reproduced by other scientists.

You might be interested in
.A gas occupies 25,3 mL at a pressure of 152 kPa. Find the volume if the pressure is
Strike441 [17]

Answer:

47.36mL

Explanation:

Using Boyles law equation, which states that:

P1V1 = P2V2

Where;

V1 = initial volume (mL)

V2 = final volume (mL)

P1 = initial pressure (atm)

P2 = final pressure (atm)

Based on the provided information, V1 = 25.3mL, P1 = 152 kPa, V2 = ?, P2 = 0.804atm

First, we need to convert 152kPa to atm by dividing by 101

1kPa = 0.0099atm

152kPa = 1.505atm

P1V1 = P2V2

1.505 × 25.3 = 0.804 × V2

38.08 = 0.804V2

V2 = 38.08/0.804

V2 = 47.36mL

5 0
2 years ago
Can you identify a chemical only by knowing its physical properties?
amid [387]

Answer:

Any characteristic that can be determined without changing the substance's chemical identity. chemical property: Any characteristic that can be determined only by changing a substance's molecular structure

Explanation:

4 0
2 years ago
When 24g of magnesium metal is heated in air, 40g of magnesium oxide is produced. What mass of magnesium would be needed in orde
inysia [295]

Answer: 6.1 g

Explanation:

between Mg and MgO theres a 1;1 MOLE RATIO

here's the balanced equation

2Mg + O2 ==> 2MgO

24g of magnesium is approximately 1 mole of magnesium so it produces 40 g of mgo which is also 1 mole of mgo thus 10/40 =0.25 moles of MgO so 0.25 moles of magnesium would be needed  which is approximately 6.1 g

6 0
3 years ago
What are the two components of a solution? Write two properties of a solution
BARSIC [14]
The two components of a solution are solvent and solute.

A solution is a homogenous mixture, stable, and the particles are very small.


3 0
3 years ago
Cryolite, Na 3 AlF 6 ( s ) , Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Bal
SOVA2 [1]

Answer:

The mass of cryolite will be produced = 71247 g or, 71.247 kg

Explanation:

The balanced chemical equation for the synthesis of cryolite

        Al₂O₃(s) + 6 NaOH(l) + 12 HF(g) → 2 Na₃AlF₆ + 9 H₂O(g)

6 0
3 years ago
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