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cupoosta [38]
2 years ago
15

How many grams of NO can be made from 50 g of NH3? 4 NH3 + 5 O2 → 6 H2O + 4 NO

Chemistry
1 answer:
Evgen [1.6K]2 years ago
4 0
0.08 because 4mol NO divided by 50g gives you your answer
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7. False: energy to mass
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4 0
3 years ago
Given the chemical reaction Fe3O4 + H2 ⟶ Fe + H2O, identify the coefficient of H2O in the balanced equation.
Nesterboy [21]

Answer:

fe3o4+4h2 - 3fe + 4h2o

therefore coefficient is 4

6 0
3 years ago
Why is there not a constant molar volume for solids and
iragen [17]

Answer:

all of the above

Explanation:

i got the answer right on cK-12

7 0
3 years ago
3350 J of heat is required to raise the temperature of a sample of AlF3 from 250C to 800C. What is the mass of the sample?
Aleonysh [2.5K]

Answer:

  1. Look up the specific heat capacity of AlF₃
  2. Calculate ΔT
  3. Calculate the mass of AlF₃

Explanation:

The formula for for the heat (q) absorbed by an object is

 q = mCΔT, where

m = the mass of the sample

 C = the specific heat capacity of the sample. and

ΔT = the change in temperature

1. What you must do

  • Look up the specific heat capacity of AlF₃
  • Calculate ΔT
  • Calculate the mass of AlF₃

2. Sample calculation

For this example, I assume that the specific heat capacity of AlF₃ is 1.16 J·K⁻¹mol⁻¹ .

(a) Calculate ΔT  

\Delta T = T_{\text{f}} - T_{\text{i}} = 800 \, ^{\circ}\text{C} -250 \, ^{\circ}\text{C} = 550 \, ^{\circ}\text{C}

(b) Calculate m

\begin{array}{rcl}\text{3350 J} & = & m \times 1.16 \text{ J}\cdot\text{K}^{-1} \text{mol}^{-1}\times \text{550 K}\\3350 & = & m \times \text{638 g}^{-1}\\m & = &\dfrac{3350}{\text{638 g}^{-1}}\\\\ & = & \text{ 5.2 g}\\\end{array}\\

6 0
3 years ago
Heat is a measurement of temperature change. TRUE or FALSE
Mashutka [201]

Answer:

i think its false because heat is defined as the sum of kinetic enegry present in the molecules of substances.

8 0
4 years ago
Read 2 more answers
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