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
forsale [732]
4 years ago
5

Two samples of gold that have different temperatures are placed in contact with one another. Heat will flow spontaneously from a

sample of gold at 60°C to a sample of gold that has a temperature of
(1) 50°C (3) 70°C
(2) 60°C (4) 80°C
Chemistry
2 answers:
galina1969 [7]4 years ago
7 0
It is 50. This is because heat goes from higher temperatures to lower and nothing else in the options is lower.
DochEvi [55]4 years ago
4 0

Answer:

50^{o} C

Explanation:

The second law f thermodynamics tells us that naturally, heat will flow from a hotter object to a colder object until the bodies are at the same temperature. So heat will spontaneously flow from gold at 60 degrees Celsius to a body that is colder than it which on the list of possible answers.

You might be interested in
Elements are arranged in groups by similar atomic structure on the periodic table. This allows for an element's properties to be
Olegator [25]

Answer:

B) attract a bonding pair of electron's toward itself

Explanation:

I had this question and the correct answer'(s) were A and B

3 0
4 years ago
Which statement is true regarding the function of a catalyst in a chemical reaction?Enzymes are biological catalysts capable of
Tatiana [17]

Answer:

.A catalyst provides an alternate mechanism for the reaction

Explanation:

The catalyst provides a mechanism of reaction having the lowest activation energy. It lowers the energy barrier between reactants and products hence it increases the rate of reaction by several orders of magnitude

3 0
3 years ago
Two groups of seventh graders were tested to compare thwir speed solving integer problems. One group had calculators, the others
guapka [62]

Answer:

control is calculators independant is without them

Explanation:

8 0
3 years ago
Read 2 more answers
Describe what occurs to the particles of a substance when the substance melts. Explain why this occurs.
GuDViN [60]

Explanation:

As a substance melts, and goes from a solid to a liquid state, the kinetic energy of the molecules increases, and the molecules move faster, and they separate further and further away from each other. The intermolecluar forces holding the molecules together become weaker

7 0
3 years ago
Identify the type of sugar corresponding to each name. Sucrose Lactose Fructose Starch Glucose
hammer [34]

Answer: Please see answers in explanation column

Explanation:

Name                Type of sugars

Sucrose               Disaccharide

Sucrose, also called table sugar with molecular formulae C12H22O11  is a disaccharide  composed of two monosaccharides ( 50%glucose + 50%  fructose.).

Lactose                 Disaccharide

 Lactose with molecular formula C12H22O11, found in milk is a disaccharide composed of two monosaccharides (galactose and glucose).

Fructose                 Monosaccharide  

Fructose with molecular formulae C6H12O6 is a natural sugar mostly found in fruits.

Starch                  Polysaccharide

Starch ,a complex carbohydrate with molecular formula  (C6H10O5)n,  is a Polysaccharide containing many  units of glucose joined together by 1,4 linkages. Sources of starch can be found in the parts of plants( roots, tubers etc).

Glucose                 monosaccharides

Glucose, is a simple sugar (monosaccharides) with the molecular formula C6H12O6.  It is found in parts of plants  as well as in humans and known as blood sugar because of its location in the bloodstream.

8 0
3 years ago
Other questions:
  • Alpha particle emission occurs when:
    14·1 answer
  • Which example shows complete dominance?
    13·1 answer
  • What is the difference between dioxide and oxide
    6·2 answers
  • How do you find the volume of a linear object?
    5·1 answer
  • Find the number of electrons and neutrons in the following:
    10·1 answer
  • The process by which cells divide is called
    10·1 answer
  • What is the wavelength of a 2.99 Hz wave?
    15·1 answer
  • suppose that hypothetical element Jovian occurs as three isotopes with mass numbers 44, 46, and 48 respectively. If, in nature,
    5·1 answer
  • propose a method to check whether a compound is benzene hexene or hexane? (Benzene: C6H6, hexene: C6H12, hexane: C6H14)​
    15·1 answer
  • Why is Joe Viskocil not a fan of big explosions?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!