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
AlexFokin [52]
3 years ago
12

When 167.2 joules of heat is added to 4.00 grams of water at 10c the resulting temperature is what

Chemistry
1 answer:
Katena32 [7]3 years ago
5 0
Q=mc \Delta T \\\\
Q=168,2J\\
m=4g\\
c=4.184\frac{J}{g^{o}C}\\\\
\Delta T=\frac{Q}{mc}=\frac{167,2J}{4g*4,184\frac{J}{g^{o}C}}=9,99^{o}C\\\\
\Delta T = T_{f}-T_{i}\\\\
9,99^{o}C=T_{f}-10^{o}C\\\\
T_{f}=9,99^{o}C+10^{o}C=19,99^{o}C\approx20^{o}C
You might be interested in
In the formula for carbon tetrahydride, CH4, the percent composition of all elements is:
creativ13 [48]
C%=12/16*100=3/4*100=75%
H%=25%
8 0
3 years ago
Read 2 more answers
Why do you turn a C-terminal aminoacid's carboxyl group into an ester before reducing it to an alcohol? Why not just use LiAlH4
Troyanec [42]

Answer:

Esters are both inorganic and organic acids .... Regarding the second question, it is believed that it is carried out in this way in order to recognize the C-terminal amino acid in a peptide within a protein

Explanation:

The explanation of this question is according to what was interpreted in the question, since it is considered that it is poorly written ...

What happens in this chemical reaction is that it first becomes an ester (organic or inorganic acid) so that it is later recognized in the complex peptide structure.

4 0
3 years ago
Read 2 more answers
Which one of the following ionic solids would have the largest lattice energy?! A) CaCl2 B) CaBr2 C) Csi D) NaCl E) NaF
Kisachek [45]
The answer would be d
4 0
3 years ago
The number of atoms of an element in a chemical formula is given by the _________.​
Nat2105 [25]

Answer:

Explanation: In a chemical formula, the symbols for each element in the compound are followed by subscripts that tell us how many of that element are in the compound. The subscripts that follow each element's symbol indicate how many of that element are in the compound. Notice how H is located in more than one place.

Explanation:

6 0
3 years ago
For Al, its atomic number is 13 and its mass number is 27. How many neutrons does it have?
poizon [28]
14 neutrons... hope it is correct!!!!!!!!
3 0
3 years ago
Read 2 more answers
Other questions:
  • Use the collision theory to discuss how temp., concentration and surface area affect the rate of a chemical reaction?
    12·1 answer
  • Which of the following accurately describes the pH scale? 
    10·2 answers
  • HURRY HELP PLEASE!!
    7·1 answer
  • Calcium reacts with bromine to form calcium bromide. 2.1 Which atom will lose electrons? 2.2 How many electrons will it lose? 2.
    8·1 answer
  • Amylose is a form of starch which has ________. only β-1,4-bonds between glucose units only α-1,4-links bonds glucose units hemi
    15·1 answer
  • Is the dehydration process a physical or chemical change? Why?
    11·2 answers
  • 12.3 moles of sodium is what mass of Na?​
    15·1 answer
  • When a wavelength (increases/decreases) the frequency (increases/decreases) and the energy (increases/decreases)
    7·1 answer
  • In which type of bond are electrons shared equally between two atoms?​
    7·1 answer
  • The color of the explosive mixture is yellow, green, and red-orange. Explain how the colors are formed and which three metals we
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!