3 years ago

Incorporating ingredients by gently turning one part over another with rubber scraper is.

Chemistry

1 answer:

Delvig [45]3 years ago

7 0

IMixing combined with skip voting

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Someone help me please ??

jolli1 [7]

Okay your answer is 1 I think

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4 years ago

Which step would help a student find the molecular formula of a compound from the empirical formula

JulsSmile [24]

Find the mass of the empirical formula.
You must be given a sample of some kind to calculate the weight or know how many moles are present. Then you figure out what one mol would be. The key step is multiplying the empirical formula numbers by what it takes to make 1 mol.

It would be clearer if we were working from some choices.

5 0

3 years ago

How many grams of water will be produced when 1.6 moles of ethanol (CH3CH2OH) are burned completely? Enter a number only (no uni

AfilCa [17]

Answer:

Explanation:

The reaction that takes place is:

C₂H₅OH + 3O₂ → 2CO₂ + 3H₂O

First we convert moles of ethanol to moles of water:

1.6 mol ethanol * $\frac{3molH_2O}{1molEthanol}$ = 4.8 mol H₂O

Then we convert moles of water to grams of water, using its molar mass:

4.8 mol H₂O * 18 g/mol = 86.4 g

So 84.6 grams of water will be produced.

4 0

3 years ago

3) which is an example of a physical change? a) grinding pepper b)toasting bread c)lighting up a grill d) baking a cake

anygoal [31]

3) which is an example of a physical change

a) grinding pepper

4 0

3 years ago

Calculate the mass of 0.5dm3 of a 2g/dm3 solution of silver nitrate

cupoosta [38]

Answer:

5.6

Explanation:

Because of the gravity of the earth

6 0

3 years ago