3 years ago

How many liters of nitrogen dioxide are in 16 g of NO2 at STP?

Chemistry

1 answer:

mojhsa [17]3 years ago

6 0

Answer: 23 liter

Explanation: Im pretty sure

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A gold ring with a mass of 16g was dropped in the snow and its temperature dropped from 35°C to 0°C. How much heat was released

Luda [366]

Answer:

-72.8 joules

Explanation:

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4 0

2 years ago

Write a nuclear equation to describe the spontaneous fission of 95 244 Am to form I-134 and Mo-107. Determine how many neutrons

MissTica

Answer: 3 neutrons are produced in the above nuclear reaction.

Explanation:

In a nuclear reaction, the total mass and total atomic number remains the same.

The nuclear reaction for the fission of Americium-244 isotope follows:

$^{244}_{95}\textrm{Am}\rightarrow ^{134}_{53}\textrm{I}+^{107}_{42}\textrm{Mo}+Y^1_0\textrm{n}$

To calculate Y:

Total mass on reactant side = total mass on product side

$\Rightarrow 244=134+107+(Y\times 1)\\\\\Rightarrow Y=244-241=3$

Hence, 3 neutrons are produced in the above nuclear reaction.

4 0

3 years ago

2. A sample of apple juice has a volume of 4 mL and a mass of 72 g. What is the density

tangare [24]

Mass=72g
Volume=4mL

$\\ \sf\longmapsto Density=\dfrac{Mass}{Volume}$

$\\ \sf\longmapsto Density=\dfrac{72}{4}$

$\\ \sf\longmapsto Density=18g/mL$

5 0

3 years ago

Investigating a fire scene, Investigator Smith determines several places where fires started. What might this indicate about the

grigory [225]

Answer:

an accelerant was used because maybe some was spilt and therefore leaving a smell and evidence

3 0

3 years ago

HELP PLEASE!!

AleksandrR [38]

Answer:

The mass of the object would be 491.55g/mL. Hope this helped! :)

Explanation:

D= 7.25g/mL M=D•V

V= 67.8mL

M=7.25g/mL•67.8mL

M= 491.55g

8 0

3 years ago