1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kramer
3 years ago
14

A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 8.10kg of water at 33.9 degree

s celsius . During the reaction 69.0kJ of heat flows out of the bath and into the flask.Calculate the new temperature of the water bath. You can assume the specific heat capacity of water under these conditions is 4.18J*g*K.
Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
3 0

Answer:

309.1K

Explanation:

Step 1: Convert the flown heat to Joule

We will use the relationship 1 kJ = 1,000 J.

69.0kJ \times \frac{1,000J}{1kJ} = 69.0 \times 10^{3} J

Step 2: Convert the mass of water to gram

We will use the relationship 1 kg = 1,000 g.

8.10 kg \times \frac{1,000g}{1kg} = 8.10 \times 10^{3} g

Step 3: Convert the initial temperature to Kelvin

We will use the following expression.

K = °C + 273.15 = 33.9°C + 273.15 = 307.1 K

Step 4: Calculate the final temperature

We will use the following expression.

Q = c \times m \times (T_f - T_i)

where,

  • Q: heat
  • c: specific heat capacity
  • m: mass
  • T f: final temperature
  • T i: initial temperature

T_f = \frac{Q}{c \times m} + T_i = \frac{69.0 \times 10^{3}J }{4.18J/g.K \times 8.10 \times 10^{3}g} + 307.1K = 309.1K

You might be interested in
If 11.5 ml of vinegar sample (d=1g/ml) is titrated with 18.5 ml of standardized Sodium hydroxide
insens350 [35]

Answer:

4.83% of acetic acid in the vinegar

Explanation:

3 0
3 years ago
What shape is the s sublevel? *<br> sphere<br> freaky<br> peanut<br> daisy
Y_Kistochka [10]

Answer:

Sphere

Explanation:

The shape of the s-sublevel is spherical in shape.

This sublevel has an azimuthal quantum number of 0 and it is spherical in shape;

  • p - sublevel has a dumb-bell shape
  • d - sublevel has double dumb - bell shape
  • f - sublevel has a complex shape
3 0
3 years ago
Nylon was first synthesised in
galben [10]

Answer:

In 1935

First synthetic fiber produced by man

Got it's name from Cities of New York And London

3 0
3 years ago
How many grams of nh3 can be produced from 2.86 mol of n2 and excess h2?
IRISSAK [1]
I think <span>3H2+N2==>2NH3</span>
7 0
3 years ago
What is the mass of 1.71 ✕ 1023 molecules of h2so4?
Anuta_ua [19.1K]
The equation for calculating a mass is as follows:

m=n×M

Molar mass (M) we can determine from Ar that can read in a periodical table, and a number of moles we can calculate from the available date for N:

n(H2SO4)=N/NA

n(H2SO4)= 1.7×10²³ / 6 × 10²³

n(H2SO4)= 0.3 mole

Now we can calculate a mass of H2SO4:

m(H2SO4) = n×M = 0.3 × 98 = 27.8 g



7 0
3 years ago
Other questions:
  • Which is a combination of pollutants that mix with water vapor in a city or near large highways and factories?
    10·1 answer
  • _____ waves are the p and s waves of an earthquake that shake the rocks beneath the surface as they travel along
    8·1 answer
  • How does viscosity of a liquid affect number of collisions?
    13·2 answers
  • The molar concentration of sucrose in a can of soda is 0.375 M. How much sucrose would be found in a 2 liter bottle of soda of t
    15·1 answer
  • Which chemical equation represents the reaction of an Arrhenius acid and an Arrhenius base?
    11·2 answers
  • .If a 20kg bicycle at the bottom of a hill has speed of 25m/s, how high can the cart go up the hill?
    8·1 answer
  • As human populations grow, it becomes more important to use renewable sources of energy Which of the following objects uses ener
    7·2 answers
  • Question 15 (1 point)
    9·1 answer
  • I need help with this question
    9·2 answers
  • To insert a thermometer into an adapter, use choose. To prepare the thermometer. Then, hold the thermometer choose. The adapter
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!