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The substance that serves as an adhesive between the cavity preparation and the composite resin restoration is? 1) Dentin bonding agent 2) Etchant 3) Composite resin 4) Amalgam

Bribeiro asked Dec 16, 2024

by Bribeiro

8.1k points

1 answer

3 votes

200k views

What is the empirical formula for a compound composed of 0.1502 mol of carbon (C), 0.0751 mol of hydrogen (H), and 0.0376 mol of nitrogen (N)?

TabsNotSpaces asked Dec 16, 2024

by TabsNotSpaces

8.1k points

1 answer

0 votes

73.6k views

What is the most convenient way to alter the setting time for alginate? 1) Adding more water 2) Increasing the temperature 3) Decreasing the temperature 4) Adding a setting time accelerator

Yohann Daniel Carter asked Dec 16, 2024

by Yohann Daniel Carter

7.9k points

1 answer

5 votes

59.8k views

Example of thermal potential energy

Raheel Hasan asked Dec 16, 2024

by Raheel Hasan

9.1k points

2 answers

0 votes

27.4k views

Water has many unusual properties, but one of these is most relevant to its significance as the basis of life as we know it. Which is? a) High specific heat b) Low density as a solid c) High surface tension

AkiEru asked Dec 16, 2024

by AkiEru

8.1k points

1 answer

3 votes

38.7k views

calculate the ph of a 0.063 m nitrous acid (HNO₂) solution. the ka for HNO₂ is 4.5 x 10⁻⁴. hint: you need the quadratic formula here.

Rob Axelsen asked Dec 16, 2024

by Rob Axelsen

7.9k points

1 answer

2 votes

63.8k views

Once the red complex (Co(NH₃)₅NO₂)₂* is formed, it slowly changes its color to yellow. What is happening and why? (a) The gaseous NH3 ligands dissociate. (b) The complex undergo redox reaction. (c) It

Antichris asked Dec 16, 2024

by Antichris

8.5k points

1 answer

2 votes

120k views

With the aid of a diagram show how ammonium ion is formed

MtnViewMark asked Dec 16, 2024

by MtnViewMark

8.0k points

1 answer

4 votes

205k views

Please help I only need this one to finish!

Stuart Axon asked Dec 16, 2024

by Stuart Axon

7.9k points

1 answer

1 vote

179k views

This is an equilibrium reaction for N2 + 3H2 = 2NH3 A reaction starts with .1 moles of N2 and .1 moles of H2 (0 NH3 to start). What is the equilibrium (K=38,000) Please walk through, I got .067 moles of

Jtanmay asked Dec 16, 2024

by Jtanmay

7.7k points

1 answer

2 votes

152k views

What is similar to neon on the periodic table

Shorn Jacob asked Dec 16, 2024

by Shorn Jacob

9.3k points

1 answer

0 votes

147k views

A bright red substance that is a semiconductor is most likely a __(blank)__.

J Henzel asked Dec 16, 2024

by J Henzel

8.2k points

1 answer

0 votes

200k views

Use Hess's Law to determine the enthalpy change associated with the following reaction: C₂H₄(g) + Cl₂(g) => C₂H₄Cl₂(g). Given: (i) 4HCI(g) + O₂(g) => 2C1₂(g) + 2H₂O(l) + 202.4 kJ (ii) 2HCl(g) + C₂H₄(g)

Turbojohan asked Dec 16, 2024

by Turbojohan

7.8k points

1 answer

2 votes

129k views

All of the following compounds may be synthesized from cholesterol EXCEPT a. bile b. glucose c. vitamin D d. sex hormones

Hhs asked Dec 16, 2024

by Hhs

8.5k points

1 answer

2 votes

91.6k views

Soluble mercury compounds sometimes get into the water supply. Explain why at some water treatment plants aluminium sulfate is added to the water flowing through the plant.

Bettina asked Dec 16, 2024

by Bettina

8.1k points

1 answer

1 vote

85.8k views

Which protons are given off by citric acid? 1) H+ 2) OH⁻ 3) H₃O+ 4) H₂O

Luis Rizo asked Dec 16, 2024

by Luis Rizo

7.7k points

1 answer

2 votes

38.9k views

Type in numbers not words for your answers. Type in just the number for the answer. Consider the ion 33S2-, which is sulfur-33 with a -2 charge.

Huan Feng asked Dec 16, 2024

by Huan Feng

8.0k points

1 answer

2 votes

77.5k views

What is the function of a climograph?

TheEllis asked Dec 16, 2024

by TheEllis

8.6k points

2 answers

2 votes

151k views

How do cells deal with the problem of osmotic pressure (homeostasis)?

Newkid asked Dec 16, 2024

by Newkid

9.1k points

1 answer

2 votes

50.3k views

Nitrogen is an atmospheric gas that can absorb radiation. True False

Patrice Cote asked Dec 16, 2024

by Patrice Cote

7.7k points

1 answer

1 vote

224k views

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