diff --git a/assets/reactions/na2co3_p_cacl2.tres b/assets/reactions/na2co3_p_cacl2.tres
index 0edd457..0ed45c5 100644
--- a/assets/reactions/na2co3_p_cacl2.tres
+++ b/assets/reactions/na2co3_p_cacl2.tres
@@ -1,4 +1,4 @@
-[gd_resource type="Resource" script_class="Reaction" load_steps=11 format=3 uid="uid://b4x586j255rh7"]
+[gd_resource type="Resource" script_class="Reaction" format=3 uid="uid://b4x586j255rh7"]
 
 [ext_resource type="Script" uid="uid://bb8o8l6u6fiai" path="res://src/resources/reaction_substance.gd" id="1_q3co2"]
 [ext_resource type="Script" uid="uid://dwks86y6383p4" path="res://src/resources/reaction.gd" id="2_bwaxw"]
diff --git a/assets/reactions/na2co3_p_hcl.tres b/assets/reactions/na2co3_p_hcl.tres
new file mode 100644
index 0000000..8d14b89
--- /dev/null
+++ b/assets/reactions/na2co3_p_hcl.tres
@@ -0,0 +1,45 @@
+[gd_resource type="Resource" script_class="Reaction" format=3 uid="uid://bpkydu1iy7ps"]
+
+[ext_resource type="Script" uid="uid://bb8o8l6u6fiai" path="res://src/resources/reaction_substance.gd" id="1_lk0fm"]
+[ext_resource type="Resource" uid="uid://df17c818irsju" path="res://assets/substances/Na2CO3.tres" id="2_xd3oy"]
+[ext_resource type="Resource" uid="uid://bj3cdfwvgksee" path="res://assets/substances/HCl.tres" id="3_lk0fm"]
+[ext_resource type="Resource" uid="uid://chdrv5i45chwe" path="res://assets/substances/NaCl.tres" id="5_x63nk"]
+[ext_resource type="Resource" uid="uid://dp0e62nxlnaeg" path="res://assets/substances/H2O.tres" id="5_xd3oy"]
+[ext_resource type="Resource" uid="uid://dk604b5skdxn1" path="res://assets/substances/CO2.tres" id="6_xd3oy"]
+[ext_resource type="Script" uid="uid://dwks86y6383p4" path="res://src/resources/reaction.gd" id="6_yn22r"]
+
+[sub_resource type="Resource" id="Resource_qs4v7"]
+script = ExtResource("1_lk0fm")
+coefficient = 1
+substance = ExtResource("2_xd3oy")
+metadata/_custom_type_script = "uid://bb8o8l6u6fiai"
+
+[sub_resource type="Resource" id="Resource_5wjtx"]
+script = ExtResource("1_lk0fm")
+coefficient = 2
+substance = ExtResource("3_lk0fm")
+metadata/_custom_type_script = "uid://bb8o8l6u6fiai"
+
+[sub_resource type="Resource" id="Resource_i3fna"]
+script = ExtResource("1_lk0fm")
+coefficient = 2
+substance = ExtResource("5_x63nk")
+metadata/_custom_type_script = "uid://bb8o8l6u6fiai"
+
+[sub_resource type="Resource" id="Resource_b2l6v"]
+script = ExtResource("1_lk0fm")
+coefficient = 1
+substance = ExtResource("5_xd3oy")
+metadata/_custom_type_script = "uid://bb8o8l6u6fiai"
+
+[sub_resource type="Resource" id="Resource_nnkfn"]
+script = ExtResource("1_lk0fm")
+coefficient = 1
+substance = ExtResource("6_xd3oy")
+metadata/_custom_type_script = "uid://bb8o8l6u6fiai"
+
+[resource]
+script = ExtResource("6_yn22r")
+input_substances = Array[ExtResource("1_lk0fm")]([SubResource("Resource_qs4v7"), SubResource("Resource_5wjtx")])
+output_substances = Array[ExtResource("1_lk0fm")]([SubResource("Resource_i3fna"), SubResource("Resource_b2l6v"), SubResource("Resource_nnkfn")])
+metadata/_custom_type_script = "uid://dwks86y6383p4"
diff --git a/assets/substances/CO2.tres b/assets/substances/CO2.tres
new file mode 100644
index 0000000..e4c7a32
--- /dev/null
+++ b/assets/substances/CO2.tres
@@ -0,0 +1,13 @@
+[gd_resource type="Resource" script_class="Substance" format=3 uid="uid://dk604b5skdxn1"]
+
+[ext_resource type="Script" uid="uid://b8q5buwgvppyh" path="res://src/resources/substance.gd" id="1_qyshc"]
+
+[resource]
+script = ExtResource("1_qyshc")
+formula = &"CO2"
+scientific_name = &"Углекислый газ"
+melting_point = -79.0
+boiling_point = -79.0
+prefer_scientific_name = true
+is_solution = false
+metadata/_custom_type_script = "uid://b8q5buwgvppyh"
diff --git a/scenes/bubbles.gd b/scenes/bubbles.gd
index 227b91f..d74ed11 100644
--- a/scenes/bubbles.gd
+++ b/scenes/bubbles.gd
@@ -2,17 +2,16 @@ extends GPUParticles3D
 
 
 @export var inventory: Inventory
-@export var particles: GPUParticles3D
 var tween: Tween
 
 func _on_inventory_reacted_with_gasses(gasses: Array[RuntimeSubstanceData]) -> void:
 	if tween:
 		tween.kill()
 	tween = create_tween()
-	particles.emitting = true
+	emitting = true
 	tween.tween_interval(2.)
 	tween.tween_callback(func(): 
-			particles.emitting = false
+			emitting = false
 			for gas in gasses:
 				inventory.extract_substance(gas.substance.get_formula(),gas.amount)
 	)
diff --git a/scenes/flask.tscn b/scenes/flask.tscn
index d04cc86..f02ef14 100644
--- a/scenes/flask.tscn
+++ b/scenes/flask.tscn
@@ -76,17 +76,26 @@ bottom_radius = 0.772
 radial_segments = 16
 rings = 0
 
+[sub_resource type="Curve" id="Curve_tvmew"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.8611111, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 3
+
+[sub_resource type="CurveTexture" id="CurveTexture_aukgj"]
+curve = SubResource("Curve_tvmew")
+
 [sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_u7u8q"]
 emission_shape_scale = Vector3(0.755, 0.93, 0.755)
 emission_shape = 1
 emission_sphere_radius = 1.0
 gravity = Vector3(0, 1, 0)
+alpha_curve = SubResource("CurveTexture_aukgj")
 collision_mode = 1
 collision_friction = 0.0
 collision_bounce = 0.0
 
 [sub_resource type="StandardMaterial3D" id="StandardMaterial3D_t5c10"]
 transparency = 1
+vertex_color_use_as_albedo = true
 albedo_texture = ExtResource("6_rqua0")
 billboard_mode = 1
 
@@ -127,16 +136,19 @@ script = ExtResource("3_0xufn")
 display_type = 1
 
 [node name="GPUParticlesCollisionBox3D" type="GPUParticlesCollisionBox3D" parent="Flash" unique_id=330053589]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5932534, 0)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.593, 0)
 size = Vector3(2.7734375, 1.1738281, 3.2333984)
 
-[node name="GPUParticles3D" type="GPUParticles3D" parent="Flash" unique_id=2054685714]
+[node name="GPUParticles3D" type="GPUParticles3D" parent="Flash" unique_id=2054685714 node_paths=PackedStringArray("inventory")]
 emitting = false
+amount = 16
 lifetime = 3.0
+speed_scale = 3.0
 local_coords = true
 process_material = SubResource("ParticleProcessMaterial_u7u8q")
 draw_pass_1 = SubResource("QuadMesh_iuc1c")
 script = ExtResource("7_wadb5")
+inventory = NodePath("../../Inventory")
 
 [node name="Inventory" type="Node" parent="." unique_id=1748297338]
 unique_name_in_owner = true
diff --git a/scenes/substance_jar.tscn b/scenes/substance_jar.tscn
index 7f7a947..90f0dcb 100644
--- a/scenes/substance_jar.tscn
+++ b/scenes/substance_jar.tscn
@@ -50,10 +50,14 @@ offset_bottom = 40.0
 [node name="ProgressBar" type="HSlider" parent="Interaction/HBoxContainer" unique_id=1037338095]
 layout_mode = 2
 size_flags_horizontal = 3
+max_value = 10.0
+step = 0.5
 allow_greater = true
 
 [node name="SpinBox" type="SpinBox" parent="Interaction/HBoxContainer" unique_id=194740698]
 layout_mode = 2
+max_value = 10.0
+step = 0.5
 allow_greater = true
 suffix = "мл."
 
diff --git a/scenes/ui.tscn b/scenes/ui.tscn
index c02b4f5..4a6d282 100644
--- a/scenes/ui.tscn
+++ b/scenes/ui.tscn
@@ -27,8 +27,8 @@ grow_vertical = 2
 
 [node name="TabBar" parent="HSplitContainer" unique_id=877427232 instance=ExtResource("1_p7vwb")]
 layout_mode = 2
-tab_count = 3
 tab_2/title = "Завершить отчёт"
+tab_3/title = "Очистить стол"
 
 [node name="InspectorPanel" type="PanelContainer" parent="HSplitContainer" unique_id=918152974]
 layout_mode = 2
diff --git a/src/inventory.gd b/src/inventory.gd
index 5a95666..49c7de4 100644
--- a/src/inventory.gd
+++ b/src/inventory.gd
@@ -199,7 +199,7 @@ func find_gases() -> Array[RuntimeSubstanceData]:
 	return gasses
 
 func find_odor() -> Array[RuntimeSubstanceData]:
-	var result = []
+	var result: Array[RuntimeSubstanceData] = []
 	for key in inventory:
 		if inventory[key].substance in [preload("res://assets/substances/CH3COOH.tres")]:
 			result.push_back(inventory[key])
diff --git a/src/lab_runtime.gd b/src/lab_runtime.gd
index 74c71bb..980820d 100644
--- a/src/lab_runtime.gd
+++ b/src/lab_runtime.gd
@@ -1,3 +1,4 @@
+@tool
 extends Node
 
 const LAB_PREFAB: PackedScene = preload("uid://c7r4rhgj3ucao")
@@ -7,12 +8,18 @@ var current_lab: Labwork
 var anwsers: Array[int]
 var correctness: Array[bool]
 var tries: int
+var debug_correct: bool
+
+@export_tool_button("Complete test") var complete_test = force_correct
 
 func questions_anwsered() -> bool:
-	return float(correctness.count(true))/len(correctness) >= 0.6
+	return float(correctness.count(true))/len(correctness) >= 0.6 or debug_correct
 
 func test_failed() -> bool:
-	return float(correctness.count(true))/len(correctness) < 0.6
+	return float(correctness.count(true))/len(correctness) < 0.6 and not debug_correct
+
+func force_correct() -> void:
+	debug_correct = true
 
 func save():
 	var path: String = OS.get_system_dir(OS.SYSTEM_DIR_DESKTOP) + "/" + current_lab.lab_name + "-" + Time.get_datetime_string_from_system() + ".txt"
diff --git a/src/resources/substance.gd b/src/resources/substance.gd
index 368e0b5..975a2c6 100644
--- a/src/resources/substance.gd
+++ b/src/resources/substance.gd
@@ -12,7 +12,7 @@ class_name Substance
 @export var color: Color
 @export var pHColor: Gradient
 @export var prefer_scientific_name: bool
-@export var is_solution: bool
+@export var is_solution: bool = true
 
 func get_formula() -> StringName:
 	return scientific_name if prefer_scientific_name else formula
diff --git a/src/substance_display.gd b/src/substance_display.gd
index a9f3b60..85d5cb1 100644
--- a/src/substance_display.gd
+++ b/src/substance_display.gd
@@ -106,5 +106,5 @@ func update_material_unfiltered(substances: Array[RuntimeSubstanceData],capacity
 			var solids = substances.filter(filter_solids)
 			update_solid_material(solids)
 
-func filter_liquids(sub: RuntimeSubstanceData): return sub.substance.melting_point < sub.temperature or sub.is_solution
+func filter_liquids(sub: RuntimeSubstanceData): return sub.substance.melting_point < sub.temperature and sub.substance.boiling_point > sub.temperature or sub.is_solution
 func filter_solids(sub: RuntimeSubstanceData): return sub.substance.melting_point > sub.temperature and not sub.is_solution