meerkat18 meerkat18

Today at 4:47 AM
Chemistry

Answered

1. Which of the following does NOT indicate that a chemical change may have taken place?
A. fracture formation
B. gas production
C. precipitate formation
D. energy transfer

2. What happens to matter during a chemical reaction?
A. matter is neither destroyed or created.
B. some matter is destroyed
C. some matter is created
D. some matter is destroyed and some is created.

Answer :

kjenkins6762 kjenkins6762

Today at 4:51 AM

1. Which of the following does NOT indicate that a chemical change may have taken place?
A. fracture formation
B. gas production
C. precipitate formation
D. energy transfer
it is (a.)

Answer Link

Other Questions

Solve the equation e^(x) = 16 for x. Options: A) -2.7726 B) 2.7726 C) 4.0000 D) 16.0000

Which of the following statements is true about describing all non-zero perpendicular slopes?Options: A. They have the same sign. B. They have opposite signs. C

Which of the following statements is true about describing all non-zero perpendicular slopes?Options: A. They have the same sign. B. They have opposite signs. C

If rob bought something for 54.50 and something else for 9.99 and he had a coupon for 30%off his total purchase there was 5.5 tax and he handed the cashier 50

An identified covalent molecular compound contains only carbon, hydrogen, and oxygen. When 6.60 mg of this compound is burned, 19.67 mg of CO2 and 3.02 mg of H2

We can group the material on the basis of

Chord of radius 10cm is at a distance of 8 cm from the centre. tangents

what are the main features of Rio de Janeiro Earth summit 1992

Give examples to show that friction is both a friend and a foe.

name the country in which the coronavirus started

This problem involves finding the current in a resistor network. Recall Theorem 1.38: Kirchhoff's Law states that the sum of the resistance (R) times the amps (

Solve the rational inequality: (20)/(x+4)<=5. Which of the following represents the correct solution? A) x<=-15 B) x>=-15 C) x<=-9 D) x>=-9

Let U be a square matrix such that U^(TT)U = I. Show that det(U) = ±1. How does an intermediate achieve the desired result? A. det(U^(TT)U) = det(I) B. U^(TT) =

Use the formula K=(1)/(2)mvv^(2) to determine the value of the indicated variable. Given that v=44 and K=5808, what is the value of m? A) 22 B) 44 C) 88 D) 176

Take a 20-question examination. Let x represent the number of questions answered correctly. Identify the possible values for x. A. 0 B. 1 C. 2 D. 20

Find the value of x in the quadratic equation: (1/2)x^2 - 3x + 4 = 0. Which of the following options correctly solves the equation?Option 1: x = -2Option 2: x =

Factor the polynomial completely: 5t^2 - 17t - 40. Which of the following options correctly factorizes the given polynomial? A) (5t + 8)(t - 5) B) (5t - 8)(t +

Isabel is 5'6 tall and Theresa is 6'0 tall. What is the absolute change in height between Theresa and Isabel? A) 6 inches B) 4 inches C) 3 inches D) 2 inches

What is the perimeter of a triangular garden that measures 10 feet by x feet by (5x+9) feet? A) 15x + 19 B) 16x + 19 C) 15x + 9 D) 16x + 9

Using synthetic division and the Remainder Theorem, evaluate P (c). P(x) = 4x^2 + 12x + 5, c = -1. Which of the following options correctly evaluates P(-1)? A)