What is the change in temperature in a 128g sample of titanium if it absorbs 2808J of heat energy at a temperature of 2°C? The specific heat of titanium is 0.523J/ g °c.

Answers

Answer 1
Answer:

Given:

128g sample of titanium

2808J of heat energy

specific heat of titanium is 0.523 J/ g °C.

Required:

Change in temperature

Solution:

This can be solved through the equation H = mCpT where H is the heat, m is the mass, Cp is the specific heat and T is the change in temperature.

Plugging in the values into the equation

H = mCpT

2808J = (128g) (0.523 J /g °C) T

T = 41.9 °C


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Answers

Option C: an atom has a dense nucleus sorrounded by mostly empty space where electrons travel.

The best tool to use to locate the boundaries between countries is a(n) _____.interrupted area map
political map
population map
relief map

Answers

The correct answer is (b) political map

The explanation:

when a political map: is different than other types of maps because it focuses on government or administrative boundaries rather than geographical or physical features. Instead of showing viewers what exists in the land, it shows those imaginary lines that serve to separate countries, states, territories, and cities. These maps generally include larger bodies of water, such as oceans, rivers, and lakes, as landmarks.

It was made by man not natural like the others maps.

so this is the correct answer.

Final answer:

A political map is the best tool to locate the boundaries between countries, providing distinct and accurate depiction of governmental boundaries.

Explanation:

The best tool to use to locate the boundaries between countries is a political map. Political maps are designed to show governmental boundaries of countries, states, and counties.

They also indicate the location of major cities, and they usually include significant bodies of water.

Unlike other types of maps like interrupted area maps, population maps, or relief maps, a political map focuses specifically on the delineation of imaginary lines separating different political entities, making it the ideal tool for identifying country boundaries.

Learn more about Political Map here:

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An example of an atom that has no charge is one that hasA. 1 proton, 2 electrons, and 3 neutrons.
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C. 2 protons, 2 electrons, and 1 neutron.
D. 3 protons, 2 electrons, and 1 neutron.

Answers

For an atom to have no charge, that is neutral, the number of electrons should be the same to the number of electrons. If the number of electron is more than the number of proton, the atom is negatively charged. Also, when the number of proton is more than the number of electron, the atom is positively charged. The answer to this item is letter C.
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What are the differences between synthesis and decomposition reactions

Answers

Answer:

Explanation:

synthesis reaction have 2 or more reactants and produce only 1 product.

Example

2 Na + S --> Na2S

Decomposition reactions are the opposite.  they have 1 reactant that is broken down into 2 or more products

Na2S ---> 2 Na + S

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Answers

The stoichiometric ratio of CuCl2 to NaCl is 1 is to 2. The stoichiometric ratio of 31.0 g CuCl2 is 26.95 grams of NaCl by converting the amount of CuCl2 to mole and multiplying by 0.5 and molar mass of NaCl.This amount is equal to 78.65% yield.

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Answers

The correct answer is - Jerusalem