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
8090 [49]
3 years ago
12

A sample of water with a mass of 587.00 kg is heated with 87 kJ of energy to a temperature of 518.4 K. The specific heat of wate

r is 1 J-1 kg K-1. What is the initial temperature of the water?

Chemistry
2 answers:
Tems11 [23]3 years ago
7 0

The correct specific heat capacity of water is <em>4.187 kJ/(kg.K)</em>.

q = mCΔT

ΔT = q/mC = 87 kJ/[587.00 kg x 4.187 kJ/(kg.K)] = 87 kJ/(2547.8 kJ/K)

= 0.035 K

Ti = Tf - ΔT = 518.4 K - 0.0354 K = 518.365 K


uysha [10]3 years ago
7 0

Answer:

370.2 K

Explanation:

The explanation is in the attached image

You might be interested in
True or False: if chemicals behave in a similar way they are grouped together on the periodic table​
sasho [114]

Answer:

Explanation: it is true

6 0
2 years ago
Complete the following statements about the functions of the digestive system. The starts an involuntary swallowing action when
Eduardwww [97]

Answer:

pharynx esophagus peristalsis chyme

Explanation:

5 0
3 years ago
Explain what atom is used as a reference when determining how many atoms are in a mole
Whitepunk [10]

Answer: Ok so the MOLE (mol) is a unit of measurement representing the amount of a substance that contains the same number of atoms as there are molecules in exactly 12 grams of carbon-12 (i.e., 6022X1023).

Explanation: And that's how it goes, I hope you understood it well!

Best regards (Pr. El Haji)

6 0
2 years ago
A stock solution of Blue #1 has a concentration of 5.736 M. 3 mL of this solution is diluted with 8 mL water. What is the concen
8_murik_8 [283]

Answer:

1.56 M

Explanation:

This is a dilution process and so a dilution formula is suitably used as follows C1V1 = C2V2 where

C1 = concentration of the stock solution

V1 = volume of the stock solution

C2 = concentration of the resulting (dilute) solution and

V2 = the volume of the resulting (dilute) solution

C1V1 = C2V2 (Making C2 subject of the formula)

C2 = C1V1/V2

Given: C1 = 5.736 M; V1 = 3 Ml; V2 = (3+8) 11 Ml

C2 = 5.736 x 3 / 11

C2 = 1.56 M

6 0
2 years ago
Balance the following KMnO4 + HCl = KCl + MnCl2 +H2O + Cl2​
Vadim26 [7]
2KMno4+16hcl=2kcl+2mncl2+8h2o+5cl2
6 0
3 years ago
Other questions:
  • Which products are formed when aluminum is added to a silver chloride solution?
    14·1 answer
  • Magnesium ions carry a 2+ charge and chloride ions carry a 1- charge. what is the chemical formula for the ionic compound magnes
    5·1 answer
  • For the oxidation-reduction reaction equation given here 4ga+p4 indicate how many electrons are transferred in the formation of
    10·1 answer
  • In which type of bond are electrons shared equally between two atoms?​
    7·1 answer
  • 5 meters
    5·1 answer
  • Yurr wussup can someone help me with my questions on for science if nayones down put in the cmts . :)
    7·2 answers
  • What happens when an electrically charged pencil is placed close to the water running from a faucet?
    13·2 answers
  • What independent variables can be tested in this lab setup? (List at least 5)
    13·1 answer
  • Aluminum reacts with a certain nonmetallic element to form a compound with the general formula AIX; where element X is a diatomi
    11·1 answer
  • The picture shows two containers filled with a gas.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!