dixuxinao dixuxinao

13-12-2022
Chemistry

Answered

Which of these are resistant to heat? (Two answers)

Aluminum
carbon reinforced steel
Sand
Plastic
Tungsten (W)
copper alloy

Answer :

Other Questions

In which of the following molecules or ions would the hybridization be sp³d? (A) COCI63- (C) PC16 (B) PC15 (D) CO₂ (E) BF4

1. Assign the oxidation numbers to each atom in the following compounds or ions: a. HF b. Cla c. H₂O d. Pls e. CS₂ f. Na₂O₂ B. H₂CO3 h. NO₂ i. SO4²

Evaluating The reaction between magnesium and hydrochloric acid produces hydrogen. If you increase the concentration of HCI, the reaction takes place faster. Co

PLEASE HELP! Based on the balanced chemical equation : 2H2 + O2 -> 2H2O Which conversion factors will you need to calculate the mass of H2O that is made wh

Consider the chemical equations shown here. 1. 2H₂ (g) + O₂ (g) ⇒ 2H₂O (g) | ΔH1 = -483.6 kJ/mol ΔH1 ÷ 2 = -241.8 kJ/mol 2. 3O₂ (g) ⇒ 2O₃ (g) | ΔH2 = 284.6 kJ/m

Carbon dioxide and ________ are the most important heat-absorbing gases in the lower atmosphere.

Plastic beads used in jewelry making are made of long molecules usually consisting of carbon, hydrogen, and oxygen. Compare the bonding in these molecules to th

5. Platinum is a catalyst for the decomposition of hydrogen peroxide into water and oxygen. Pt 2H₂O2 → 2H₂O + O₂2 What would you expect to see if platinum were

Item 4 What is the ratio of the balanced coefficients of this reaction? (NH:)N + _S --> (NH₂)₂S+ N₂

enter a nuclear equation for the indicated decay of each of the following nuclides. Part A Po−210 (alpha) Express your answer as a nuclear equation. Part B Ac−2