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stepladder [879]
3 years ago
14

Whats the difference between speed and velocity

Chemistry
1 answer:
babunello [35]3 years ago
8 0

Answer:

Hey there!

Speed is a scalar, and only has magnitude, or size. On the other hand, velocity is a vector and has magnitude and direction.

Let me know if this helps :)

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If dietary iodine levels are deficient you would expect that plasma tsh levels would be ________ and that plasma thyroxine level
Julli [10]

Answer:

<h2>1. high</h2><h2>2. low</h2>

Explanation:

Iodine is an important and essential element or nutrient of the diet that has many important roles in the body of human beings and some other organisms. When the deficiency of the iodine takes place in the diet or overall in the body then such type of the deficiency is called dietary iodine deficiency that leads to the high level of the TSH of the plasma and thus the thyroxine level decreases or becomes low. Iodine deficiency causes goiter and some other metabolic processes in the body.

5 0
3 years ago
_HNO3+ Fe+2
ale4655 [162]

Answer: The coefficient for water after the equation is balanced is 2.

Explanation:

The balanced chemical equation must have same charge and same number of atoms on both sides of the equation.

As the given reaction is a redox recation occuring in acidic medium.

HNO_3+3Fe^{2+}+3H^+\rightarrow NO+3Fe^{3+}+2H_2O

The coefficient for water will be 2 after the equation is balanced.

4 0
3 years ago
What is the molarity of a solution made by adding :1.565 moles of PbN03 to 500 mL
jeyben [28]

Answer:

This question is a bit vague. We're not told if 500ml is the volume of the solution and additional info is not given to calculate the volume of pbNo3 being added.

If you solve with 500ml as the volume of solution ... You'll have the answer below.

Molarity=moles of solutes/Volume of solvent(in litres)

moles of solute given=1.565moles

Volume = 500ml. There's 1000ml to a litre. Dividing by 1000ml to convert to Litres... You have 0.5L

Molarity = 1.565/0.5

=3.13M

6 0
3 years ago
Perform the following
Novay_Z [31]
The answer is
1.6057
8 0
2 years ago
Read 2 more answers
Write a program that allows the user to enter a number of quarters, dimes, and nickels and then outputs the monetary value of th
miskamm [114]

Answer:

// Program is written in C++ Programming Language

// Comments are used for explanatory purpose

// Program Starts here

#include<iostream>

using namespace std;

int main ()

{

// Declare Variables

int quarter, dimes, nickel, cent;

// Enter values for each

cout<<"Quarter: ";

cin>>quarter;

cout<<"Dimes: ";

cin>>dimes;

cout<<"Nickels: ";

cin>>nickel;

/*

In the United States, these coins have the following values

Quarter = 25 cents

Done = 10 cents

Nickel = 5 cent

Total cent is calculated below

*/

cent = 25 * quarter + 10 * dimes + 5 * nickel;

// Print Total

cout<<"The coins are worth "<<cent<<" cents";

return 0;

}

4 0
3 years ago
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