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3 years ago

______ is the type of heat that roasts the marshmallows.

Chemistry

1 answer:

disa [49]3 years ago

5 0

Answer:

I think B

tell me if I'm wrong

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If 20.5 g of chlorine is reacted with 20.5 g of sodium, which reactant is in excess? 1. cl 2. neither is in excess. 3. na

zlopas [31]

2. neither is in excess is the answer.

5 0

3 years ago

Read 2 more answers

Question 1 (1 point)

andrezito [222]

Answer:

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Explanation:

Sorry yan lang alm but I hope it helps

<h2>#CARRYONLEARNING </h2><h2>#STUDYWELL </h2>

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3 years ago

Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge

docker41 [41]

300000 I believe is answer

5 0

3 years ago

Which property of a measurement is best estimated from the percent error?

Scrat [10]

The accuracy of any measurement is best estimated from the perecentage error.
It gives the precision of the any quantity that is measured. It is calculated by determining the difference between the measured value and the theoritcial value. Measured values are those that are determined by the experiment

7 0

3 years ago

41 to

tia_tia [17]

Answer:

d = 0.9 g/L

Explanation:

Given data:

Number of moles = 1 mol

Volume = 24.2 L

Temperature = 298 K

Pressure = 101.3 Kpa (101.3/101 = 1 atm)

Density of sample = ?

Solution:

PV = nRT (1)

n = number of moles

number of moles = mass/molar mass

n = m/M

Now we will put the n= m/M in equation 1.

PV = m/M RT (2)

d = m/v

PM = m/v RT ( by rearranging the equation 2)

PM = dRT

d = PM/RT

The molar mass of neon is = 20.1798 g/mol

d = 1 atm × 20.1798 g/mol / 0.0821 atm. L/mol.K × 273K

d = 20.1798 g/22.413 L

d = 0.9 g/L

4 0

3 years ago